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Semiannual Report January 31, 2001

Oppenheimer
Money Market Fund, Inc.

[LOGO OF OPPENHEIMER FUNDS]

REPORT HIGHLIGHTS

Fund Objective

Oppenheimer Money Market Fund, Inc. seeks the maximum current income that is consistent with stability of principal.

	CONTENTS
1	President’s Letter
3	An Interview with Your Fund’s Manager
7	Financial Statements
20	Officers and Directors

Current Yield
	For the Seven-Day Period Ended 1/31/01
	With Compounding1	Without Compounding
	5.94%	5.78%

In reviewing performance, please remember that past performance does not guarantee future results. Yields will fluctuate. An investment in the Fund is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. Although the Fund seeks to preserve the value of your investment at $1.00 per share, it is possible to lose money by investing in the Fund.

1. Compounded yields assume reinvestment of dividends.

PRESIDENT’SLETTER

  [PHOTO]

Bridget A. Macaskill
President
Oppenheimer
Money Market Fund, Inc.

DearShareholder,

The year 2000 was one to remember, both for the performance of the financial markets and the lessons it presented to all investors.

     In many ways, 2000 was a study in contrasts. Many stocks experienced sharp declines, while municipal and high quality bonds performed strongly. The year began with unrestrained enthusiasm for technology stocks in particular, and growth stocks in general, but ended with value-oriented stocks providing better performance.

     Market conditions shifted dramatically during 2000. When the year began, the economy was growing rapidly, raising concerns that long-dormant inflationary pressures might resurface. By mid-year, however, after a series of interest rate hikes by the Federal Reserve Board (the Fed), the economy began to slow—triggering fears of a potential recession. The slowing economy generally hurt the stock market and benefited high quality bonds.

     The lessons provided by a volatile and difficult year reinforced many of the basic investment principles we have discussed in this letter from time to time. In 2000, market volatility was a powerful reminder of the importance of investment diversification—the time-honored strategy of spreading risk among various asset classes, industry groups and investment styles. In addition, actively managed funds generally outperformed passive index funds, as research-intensive security selection again made a critical difference for portfolio returns. Perhaps most important, the markets in 2000 confirmed that sound business fundamentals, rather than investment fads, are a more powerful determinant of investment success over the long term.

     Looking forward, we are cautiously optimistic. Our caution arises from expectations that the economy will grow only moderately during the first half of 2001. The Fed, already more concerned about a potential recession than inflation, reversed its monetary policy of the past 18 months by reducing key short-term interest

1 OPPENHEIMER MONEY MARKET FUND, INC.

PRESIDENT’S LETTER

rates. This rate cut, combined with the possibility of future interest rate reductions and a federal income tax cut, may help the economy achieve a “soft landing.”

     Our current situation has mixed implications for stocks and bonds. While slowed growth may mean decelerated corporate earnings growth, lower interest rates could bolster stock valuations. Similarly, slower economic growth has helped interest-rate-sensitive securities, such as U.S. Government securities, but may have a negative effect on credit-sensitive corporate bonds.

     In overseas markets, we believe potential investment opportunities may reside in Europe, which appears to be experiencing slow, steady growth bolstered by the strengthening euro and falling oil prices. Signs are less encouraging in Japan, where the economy generally remains weak. Lower interest rates are buoying the economies of the emerging markets—but slowing growth, plus Mideast tensions, could cast a shadow over these regions.

     In this uncertain environment, we intend to adhere to the same proven investment principles that have driven our funds’ past success: broad diversification to help reduce risk, an unwavering focus on business fundamentals to seek likely winners, and a long-term perspective that preserves the integrity of each fund’s investment approach. Regardless of the short-term movements of the financial markets, these principles—fundamental parts of The Right Way to Invest—should serve investors well in 2001 and beyond.

Sincerely,

/s/ Bridget A. Macaskill

Bridget A. Macaskill February 22, 2001

These general market views represent opinions of OppenheimerFunds, Inc. and are not intended to predict or depict performance of the securities markets or any particular fund. Specific information that applies to your Fund is contained in the pages that follow. Stocks and bonds have different types of investment risks; for example, stocks are subject to price changes from market volatility and other factors and bonds are subject to credit and interest rate risks.

2 OPPENHEIMER MONEY MARKET FUND, INC.

AN INTERVIEW WITH YOUR FUND’S MANAGER

Portfolio Manager
Carol Wolf

Q. How did the Fund perform over the last six months?

A. During the recent six-month period that ended January 31, 2001, Oppenheimer Money Market Fund, Inc. maintained a stable share price of $1.00 per share, while continuing to provide its investors with a stream of income. The Fund, which invests in certificates of deposit, letters of credit, commercial paper and other money market instruments, produced an annualized yield of 6.03%, and an annualized yield including the effects of compounding of 6.22% for the six-month period. The Fund’s seven-day and compounded seven-day yields on January 31, 2001, were 5.78% and 5.94%, respectively.¹

How did the robust U.S. economy affect interest rates?

Interest rates were driven higher by a series of short-term interest rate hikes initiated by the Federal Reserve Board (“the Fed”) in late 1999 and early 2000. The Fed raised rates a total of six times during that period in an effort to avert inflation and slow the overheated U.S. economy, culminating in an aggressive half-point increase in mid-May 2000. Although the last of these rate hikes occurred before the period began, expectations of further raises maintained upward pressure on bond yields for much of the period.

     In mid-2000, the nation’s overall levels of manufacturing output and housing sales eased. Evidence mounted throughout the period that the pace of economic growth had indeed begun to moderate. However, during the reporting period the Fed kept rates steady—as a check on inflationary pressures resulting from a continuing tight labor market and rising energy prices.

How did you manage the Fund during this period?

We took advantage of these conditions by lengthening the Fund’s average maturity. During the reporting period, the Fund’s average maturity lengthened from approximately 44 days to approximately 48 days. This move enabled us to lock in favorable yields at a time when we believe rates have reached a

1. Compounded yields assume reinvestment of dividends.

3 OPPENHEIMER MONEY MARKET FUND, INC.

AN INTERVIEWWITH YOUR FUND’S MANAGER

plateau and may be poised to fall. At the same time, we were careful to purchase longer maturity securities only after careful analysis of their structure and the Fund’s current investment needs.

     In terms of security selection, we made opportunistic purchases of floating rate notes when they were available at attractive rates. However, spreads or differences in yields within our investment universe narrowed significantly during the period, and floating rate notes were particularly vulnerable to these conditions. As a result, they proved relatively unattractive at various times throughout the period.

     We were able to find attractive yields in select, asset-backed commercial paper. Analytical expertise is the key to adding value through such investments. OppenheimerFunds’ experienced analysts enabled us to limit our purchases to what we believed were well-structured, highly liquid asset-backed programs typically offering a yield advantage over comparable commercial paper issued by corporations. All told, asset-backed securities comprised 19.0% of net assets at period end.² Among commercial paper investments, which comprised most of our remaining holdings, we sought to avoid troubled and volatile industries, such as telecommunications, in favor of high quality financial services companies.

What is your outlook over the coming months?

As of the end of the period, there remains little doubt that the Fed’s inflation-taming strategy has succeeded in cooling off the economy. Given recent evidence of slowing consumer and business spending, the key concern facing today’s markets is whether or not the strategy may have worked too well. However, underlying economic fundamentals remain sound,

2. Based on net assets. The Fund’s portfolio holdings are subject to change.

4 OPPENHEIMER MONEY MARKET FUND, INC.

with inflation in check. In addition, to bolster the slowing economy, the Fed recently began reversing the direction of its monetary policy by reducing interest rates. In this environment, we continue to look for opportunities to increase the Fund’s yield, consistent with our focus on liquidity and safety.

     In closing, we’d like to thank you for your continued confidence and participation in the Fund. We look forward to helping you reach your financial goals. That’s what makes Oppenheimer Money Market Fund, Inc. an important part of The Right Way to Invest.

5 OPPENHEIMER MONEY MARKET FUND, INC.

Financials

6 OPPENHEIMER MONEY MARKET FUND, INC.

STATEMENT OF INVESTMENTS January 31, 2001 / Unaudited
		Principal		Value
		Amount		See Note 1
	Direct Bank Obligations—8.9%
	ABN AMRO Bank NV:
	6.61%, 2/13/01	$	13,000,000	$	13,000,021
	Bank of America NA:
	6.61%, 3/9/01		10,000,000		10,000,000
	Bank of Nova Scotia:
	6.50%, 2/28/01		10,000,000		9,951,250
	First Union National Bank:
	6.08%, 5/17/011		35,000,000		35,000,000
	Key Bank NA:
	6.08%, 5/11/011		10,000,000		9,998,000
	National Bank of Commerce, Tennessee:
	5.745%, 8/28/011		26,000,000		26,000,000
	5.901%, 9/18/011		15,000,000		14,997,000
	Royal Bank of Canada:
	5.20%, 7/9/01		26,000,000		25,406,622
	UBS Finance (Delaware) LLC:
	5.79%, 2/1/01		26,300,000		26,300,000
	Total Direct Bank Obligations				170,652,893
	Letters of Credit—3.6%
	Credit Suisse Group, guaranteeing commercial paper of Credit Suisse
	First Boston International (Guernsey) Ltd.:
	6.50%, 3/15/012		15,475,000		15,357,648
	Credit Suisse Group, guaranteeing commercial paper of Credit Suisse
	First Boston, Inc.:
	6.45%, 4/16/012		15,000,000		14,801,125
	Deutsche Bank AG, guaranteeing commercial paper of Deutsche Bank
	Financial, Inc.:
	6.47%, 3/30/01		20,000,000		19,795,117
	6.52%, 2/1/01		20,000,000		20,000,000
	Total Letters of Credit				69,953,890
	Short-Term Notes—85.8%
	Aerospace/Defense—2.7%
	BAE Systems Holdings, Inc.:
	6.51%, 2/27/012		15,000,000		14,929,475
	6.52%, 2/14/012		21,250,000		21,199,968
	6.55%, 2/26/012		15,000,000		14,931,771
					51,061,214
	Asset-Backed—19.0%
	Asset Backed Capital Finance, Inc.:
	6.485%, 4/5/012		8,500,000		8,403,536
	6.53%, 2/21/012		2,000,000		1,992,744
	6.55%, 2/27/012		15,000,000		14,929,042

7 OPPENHEIMER MONEY MARKET FUND, INC.

STATEMENT OFINVESTMENTSUnaudited / Continued

	Principal			Value
		Amount		See Note 1
Asset-Backed
Breeds Hill Capital Co. LLC, Series A:
5.27%, 7/10/012	$	11,774,000	$	11,499,950
5.50%, 4/9/012		10,000,000		9,895,778
5.62%, 4/10/012		10,000,000		9,893,844
Charta Corp.:
6.51%, 2/27/012		20,000,000		19,905,967
Check Point Charlie, Inc.:
5.61%, 4/16/012		15,000,000		14,827,025
6.53%, 3/20/012		5,000,000		4,957,374
6.55%, 2/26/012		25,530,000		25,413,874
Corporate Receivables Corp.:
5.47%, 4/6/012		25,000,000		24,756,889
Galaxy Funding, Inc.:
5.30%, 5/18/012		8,000,000		7,875,155
6.52%, 3/23/01		10,000,000		9,909,444
Lexington Parker Capital Co. LLC:
5.23%, 7/20/012		26,197,000		25,553,813
5.257%, 7/25/012		19,000,000		18,517,232
Moriarty Ltd.:
5.32%, 7/16/012		10,000,000		9,756,167
6.43%, 4/20/012		20,000,000		19,721,367
6.51%, 2/15/012		13,000,000		12,967,038
New Center Asset Trust:
5.03%, 7/5/01		20,000,000		19,569,655
Scaldis Capital LLC:
5.62%, 4/16/012		10,000,000		9,884,478
Sheffield Receivables Corp.:
6.37%, 3/19/012		15,000,000		14,877,908
Sigma Finance, Inc.:
6.44%, 4/12/012		10,000,000		9,874,778
Variable Funding Capital Corp.:
6.53%, 2/9/01–2/21/012		25,000,000		24,920,188
6.55%, 2/20/012		15,000,000		14,948,146
VistaOne Metafolio LLC:
6.54%, 3/5/012		20,000,000		19,883,733
				364,735,125
Banks—1.8%
Keycorp:
6.39%, 3/29/01		20,000,000		19,801,200
Wells Fargo Co.:
6.50%, 2/28/01		15,000,000		14,926,875
				34,728,075
Beverages—1.0%
Coca Cola Enterprises, Inc.:
6.47%, 3/14/012		20,000,000		19,852,628

8 OPPENHEIMER MONEY MARKET FUND, INC.

	Principal Amount	Value See Note 1
Broker/Dealers—11.0%
Banc of America Securities LLC:
5.95%, 2/1/011	$50,000,000	$  50,000,000
Bear Stearns Cos., Inc., Series B:
5.931%, 2/14/011	13,000,000	13,000,000
6.613%, 3/1/011	15,000,000	14,999,959
Goldman Sachs Group LP:
6.57%, 3/7/01–3/9/013	25,000,000	25,000,000
6.67%, 3/12/01	25,000,000	25,000,000
Merrill Lynch & Co., Inc., Series B:
5.706%, 4/24/011	20,000,000	19,999,119
6.468%, 7/5/011	22,500,000	22,496,192
Morgan Stanley Dean Witter & Co.:
6.05%, 8/28/011	10,000,000	10,000,000
Morgan Stanley Dean Witter & Co., Series C:
6.68%, 3/15/011	7,000,000	7,000,000
Salomon Smith Barney Holdings, Inc.:
6.49%, 2/23/01	25,000,000	24,900,847
		212,396,117
Commercial Finance—5.5%
CIT Group, Inc.:
5.00%, 8/3/01	12,000,000	11,695,000
6.839%, 11/2/011	35,000,000	35,000,000
Countrywide Home Loans, Series H:
5.906%, 5/21/011	32,000,000	31,996,857
Countrywide Home Loans, Series I:
6.801%, 8/24/011	12,000,000	11,995,868
Homeside Lending, Inc.:
6.12%, 4/2/01	15,000,000	14,847,000
		105,534,725
Consumer Finance—0.6%
American General Finance Corp.:
5.43%, 5/25/01	11,000,000	10,812,514
Diversified Financial—8.8%
Associates Corp. of North America:
6.52%, 2/2/01-2/16/01	30,000,000	29,943,856
General Electric Capital Services:
5.08%, 8/13/01	25,000,000	24,319,139
General Motors Acceptance Corp.:
6.50%, 2/7/01	10,000,000	9,989,167
Household Finance Corp.:
6.52%, 2/9/01	25,000,000	24,963,778
6.728%, 12/7/011	5,000,000	5,000,000

9 OPPENHEIMER MONEY MARKET FUND, INC.

STATEMENT OF INVESTMENTSUnaudited / Continued
	Principal Amount	Value See Note 1
Diversified Financial Continued
Prudential Funding LLC:
6.44%, 4/25/01	$20,000,000	$  19,703,044
Textron Financial Corp.:
5.54%, 3/29/01	20,000,000	19,827,644
5.60%, 3/21/01	20,000,000	19,850,667
Verizon Network Funding:
5.44%, 4/6/01	15,000,000	14,854,933
		168,452,228
Diversified Media—1.6%
Omnicom Capital, Inc.:
6.55%, 2/1/01-2/7/012	20,000,000	19,987,992
6.70%, 2/13/012	10,000,000	9,977,667
		29,965,659
Energy Services—4.9%
Suez Finance Corp. (gtd. by Suez Lyonnais des Eaux):
6.45%, 3/19/012	17,500,000	17,355,771
6.46%, 3/5/012	13,500,000	13,422,480
6.48%, 4/20/01-4/27/012	34,800,000	34,280,160
6.49%, 4/5/012	20,000,000	19,771,100
6.54%, 2/28/012	9,000,000	8,955,855
		93,785,366
Gas Utilities—0.8%
Centrica plc:
6.52%, 3/15/012	15,000,000	14,885,900
Information Technology—1.3%
Computer Sciences Corp.:
6.644%, 12/27/011,2	25,000,000	25,000,000
Insurance—12.0%
AIG Life Insurance Co.:
6.563%, 5/31/011,3	20,000,000	20,000,000
American General Corp.:
6.50%, 2/23/01	15,000,000	14,940,417
Cooperative Assn. of Tractor Dealers, Inc., Series A:
6.46%, 4/2/01	12,800,000	12,662,187
ING America Insurance Holdings, Inc.:
5.35%, 7/18/01-7/19/01	35,000,000	34,129,139
Insured Asset Funding LLC:
6.53%, 2/8/012	10,000,000	9,987,303
6.58%, 2/5/012	20,000,000	19,985,378
Jackson National Life Insurance Co.:
6.56%, 3/1/011	30,000,000	30,000,000
6.57%, 2/1/011	2,000,000	2,000,000
Metropolitan Life Insurance Co.:
6.572%, 2/1/011	33,000,000	33,000,000

10OPPENHEIMER MONEY MARKET FUND, INC.

		Principal Amount		Value See Note 1
Insurance
Pacific Life Insurance Co.:
6.582%, 2/1/011,3	$	20,000,000	$	20,000,000
Prudential Life Insurance Co.:
6.399%, 4/2/011		25,000,000		25,000,000
Travelers Insurance Co.:
6.658%, 10/5/011,3		10,000,000		10,000,000
				231,704,424
Leasing & Factoring—1.1%
American Honda Finance Corp.:
6.689%, 2/16/011,4		22,000,000		21,999,734
Manufacturing—2.8%
Eaton Corp.:
5.20%, 8/14/012		20,000,000		19,439,555
5.35%, 7/13/012		10,000,000		9,759,250
6.54%, 2/28/012		10,000,000		9,950,950
6.59%, 3/1/012		15,000,000		14,923,117
				54,072,872
Nondurable Household Goods—1.6%
Newell Rubbermaid, Inc.:
6.50%, 3/23/012		10,000,000		9,911,805
Unilever Capital Corp. (gtd. by Unilever NV, Unilever plc, Unilever USA):
6.707%, 9/7/011,2		20,000,000		20,000,000
				29,911,805
Photography—2.3%
Eastman Kodak Co.:
6.10%, 4/3/01		15,000,000		14,844,958
6.15%, 4/4/01		30,000,000		29,682,250
				44,527,208
Special Purpose Financial—1.9%
Forrestal Funding Master Trust, Series 2000-A:
6.53%, 2/16/014		10,000,000		9,972,792
KZH-KMS Corp.:
6.56%, 2/16/012		16,000,000		15,956,267
MONET Trust, Series 2000-1:
6.508%, 9/27/011,3		5,000,000		5,000,000
Zurich Trust Certificates, Series ZTC-2T:
5.806%, 2/26/011,3		6,000,000		6,000,000
				36,929,059

11 OPPENHEIMER MONEY MARKET FUND, INC.

STATEMENT OF INVESTMENTSUnaudited / Continued
	Principal Amount			Value See Note 1
Telecommunications: Technology—5.1%
Alcatel SA:
6.48%, 3/16/012	$10,000,000		$	9,922,600
Cingular Wireless LLC:
6.08%, 4/12/012	7,000,000			6,917,244
6.37%, 3/16/012	6,700,000			6,649,022
6.52%, 3/6/012	25,000,000			24,850,583
Vodafone AirTouch plc:
6.62%, 6/5/011,3	40,000,000			39,996,400
6.736%, 12/19/011,2	10,000,000			10,008,085
				98,343,934
Total Short-Term Notes				1,648,698,587
Total Investments, at Value	98.3	%		1,889,305,370
Other Assets Net of Liabilities	1.7			32,976,891
Net Assets	100.0	%	$	1,922,282,261

Footnotes to Statement of Investments

Short-term notes, direct bank obligations and letters of credit are generally traded on a discount basis; the interest rate is the discount rate received by the Fund at the time of purchase. Other securities normally bear interest at the rates shown.

1.	Represents the current interest rate for a variable rate security.
2.	Security issued in an exempt transaction without registration under the Securities Act of 1933. Such securities amount to $788,226,725, or 41% of the Fund's net assets and have been determined to be liquid pursuant to guidelines adopted by the Board of Directors.
3.	Identifies issues considered to be illiquid or restricted - See Note 4 of Notes to Financial Statements.
4.	Represents securities sold under Rule 144A, which are exempt from registration under the Securities Act of 1933, as amended. These securities have been determined to be liquid under guidelines established by the Board of Directors. These securities amount to $31,972,526 or 1.66% of the Fund's net assets as of January 31, 2001.
	See accompanying Notes to Financial Statements.

12 OPPENHEIMER MONEY MARKET FUND, INC.

STATEMENT OF ASSETS AND LIABILITIESUnaudited

For the Six Months Ended January 31, 2001
Assets
Investments, at value—see accompanying statement	$	1,889,305,370
Cash		4,325,115
Receivables and other assets:
Shares of capital stock sold		128,312,513
Interest		4,630,333
Other		129,126
Total assets		2,026,702,457
Liabilities
Payables and other liabilities:
Shares of capital stock redeemed		100,227,443
Dividends		3,052,615
Transfer and shareholder servicing agent fees		378,630
Directors’ compensation		264,772
Other		496,736
Total liabilities		104,420,196
Net Assets	$	1,922,282,261
Composition of Net Assets
Par value of shares of capital stock	$	192,239,685
Additional paid-in capital		1,730,007,390
Accumulated net realized gain on investment transactions		35,186
Net assets—applicable to 1,922,396,852 shares of capital
stock outstanding	$	1,922,282,261
Net Asset Value, Redemption Price and Offering Price Per Share	$	1.00

See accompanying Notes to Financial Statements.

13 OPPENHEIMER MONEY MARKET FUND, INC.

STATEMENT OF OPERATIONSUnaudited

For the Six Months Ended January 31, 2001
Investment Income
Interest	$	62,865,767
Expenses
Management fees		3,880,244
Transfer and shareholder servicing agent fees		1,502,291
Shareholder reports		541,443
Insurance expenses		331,169
Directors’ compensation		50,780
Custodian fees and expenses		11,357
Other		115,683
Total expenses		6,432,967
Less expenses paid indirectly		(24,805	)
Net expenses		6,408,162
Net Investment Income		56,457,605
Net Realized Loss on Investments		(7,263	)
Net Increase in Net Assets Resulting from Operations	$	56,450,342

See accompanying Notes to Financial Statements.

14 OPPENHEIMER MONEY MARKET FUND, INC.

STATEMENTS OF CHANGES IN NET ASSETS

	Six Months Ended January 31, 2001 (Unaudited)			Year Ended July 31, 2000
Operations
Net investment income	$	56,457,605		$	90,249,544
Net realized gain (loss)		(7,263	)		106
Net increase in net assets resulting from operations		56,450,342			90,249,650
Dividends and/or Distributions to Shareholders		(56,457,605	)		(90,249,544
Capital Stock Transactions
Net increase in net assets resulting from
capital stock transactions		110,680,602			315,163,290
Net Assets
Total increase		110,673,339			315,163,396
Beginning of period		1,811,608,922			1,496,445,526
End of period	$	1,922,282,261		$	1,811,608,922

See accompanying Notes to Financial Statements.

15 OPPENHEIMER MONEY MARKET FUND, INC.

FINANCIAL HIGHLIGHTS
Six Months Ended January 31, 2001 (Unaudited)				2000			1999			1998			1997				Year Ended July 31, 19961
Per Share Operating Data
Net asset value, beginning of period	$	1.00		$	1.00		$	1.00		$	1.00		$	1.00			$	1.00
Income from investment operations –
net investment income and
net realized gain		.03			.05			.05			.05			.05				.03
Dividends and/or distributions
to shareholders		(.03	)		(.05	)		(.05	)		(.05	)		(.05	)			(.03	)
Net asset value, end of period	$	1.00		$	1.00		$	1.00		$	1.00		$	1.00		$	1.00
Total Return2		3.08	%		5.38	%		4.61	%		5.03	%		4.83	%			2.80	%
Ratios/Supplemental Data
Net assets, end of period (in millions)	$	1,922		$	1,812		$	1,496		$	1,195		$	1,014		$	1,102
Average net assets (in millions)	$	1,858		$	1,712		$	1,371		$	1,114		$	1,011		$		901
Ratios to average net assets: 3
Net investment income		6.03	%		5.27	%		4.51	%		4.89	%		4.73	%			4.68	%
Expenses		0.69	%		0.78	%		0.78	%		0.87	%4		0.87	%4			0.84	%4

1.	For the seven months ended July 31, 1996. The Fund changed its fiscal year-end from December 31 to July 31.
2.	Assumes a $1,000 hypothetical initial investment on the business day before the first day of the fiscal period, with all dividends reinvested in additional shares on the reinvestment date, and redemption at the net asset value calculated on the last business day of the fiscal period. Total returns are not annualized for periods of less than one full year. Total returns reflect changes in net investment income only.
3.	Annualized for periods of less than one full year.
4.	Expense ratio has not been grossed up to reflect the effect of expenses paid indirectly.

See accompanying Notes to Financial Statements.

16 OPPENHEIMER MONEY MARKET FUND, INC.

NOTES TO FINANCIAL STATEMENTSUnaudited

1. Significant Accounting Policies

Oppenheimer Money Market Fund, Inc. (the Fund) is registered under the Investment Company Act of 1940, as amended, an open-end management investment company. The Fund’s investment objective is to seek the maximum current income that is consistent with stability of principal. The Fund’s investment advisor is OppenheimerFunds, Inc. (the Manager). The following is a summary of significant accounting policies consistently followed by the Fund.

Securities Valuation. Portfolio securities are valued on the basis of amortized cost, which approximates market value.

Federal Taxes. The Fund intends to continue to comply with provisions of the Internal Revenue Code applicable to regulated investment companies and to distribute all of its taxable income to shareholders. Therefore, no federal income or excise tax provision is required.

Directors’ Compensation. The Fund has adopted an unfunded retirement plan for the Fund’s independent Board of Directors. Benefits are based on years of service and fees paid to each director during the years of service. During the six months ended January 31, 2001, a provision of $32,092 was made for the Fund’s projected benefit obligations and payments of $376 were made to retired directors, resulting in an accumulated liability of $254,447 as of January 31, 2001.

     The Board of Directors has adopted a deferred compensation plan for independent directors that enables directors to elect to defer receipt of all or a portion of annual compensation they are entitled to receive from the Fund. Under the plan, the compensation deferred is periodically adjusted as though an equivalent amount had been invested for the Board of Directors in shares of one or more Oppenheimer funds selected by the director. The amount paid to the Board of Directors under the plan will be determined based upon the performance of the selected funds. Deferral of directors’ fees under the plan will not affect the net assets of the Fund, and will not materially affect the Fund’s assets, liabilities or net investment income per share.

Dividends and Distributions to Shareholders. Dividends and distributions to shareholders, which are determined in accordance with income tax regulations, are recorded on the ex-dividend date.

Expense Offset Arrangements. Expenses paid indirectly represent a reduction of custodian fees for earnings on cash balances maintained by the Fund.

Other. Investment transactions are accounted for as of trade date. Realized gains and losses on investments are determined on an identified cost basis, which is the same basis used for federal income tax purposes.

17 OPPENHEIMER MONEY MARKET FUND, INC.

NOTES TO FINANCIAL STATEMENTSUnaudited / Continued

1. Significant Accounting Policies Continued
The preparation of financial statements in conformity with generally accepted accounting principles requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of income and expenses during the reporting period. Actual results could differ from those estimates.

2. Capital Stock

The Fund has authorized five billion shares of $.10 par value capital stock. Transactions in shares of capital stock were as follows:

	Six Months Ended January 31, 2001				Year Ended July 31, 2000
	Shares		Amount		Shares		Amount
Sold	2,660,574,956		$  2,660,574,956		5,480,169,730		$  5,480,169,730
Dividends and/or
distributions reinvested	52,988,285		52,988,285		85,045,783		85,045,783
Redeemed	(2,602,882,639	)	(2,602,882,639	)	(5,250,052,223	)	(5,250,052,223	)
Net increase	110,680,602		$    110,680,602		315,163,290		$    315,163,290

3. Fees and Other Transactions with Affiliates

Management Fees. Management fees paid to the Manager were in accordance with the investment advisory agreement with the Fund which provides for a fee of 0.45% of the first $500 million of average annual net assets, 0.425% of the next $500 million, 0.40% of the next $500 million, and 0.375% of net assets in excess of $1.5 billion. The Manager has agreed to reimburse the Fund if aggregate expenses (with specified exceptions) exceed the lesser of 1% of average annual net assets of the Fund or 25% of the total annual investment income of the Fund. The Fund’s management fee for the six months ended January 31, 2001, was an annualized rate of 0.42%, before any waiver by the Manager if applicable.

Transfer Agent Fees. OppenheimerFunds Services (OFS), a division of the Manager, acts as the transfer and shareholder servicing agent for the Fund. Prior to January 1, 2001, OFS performed these services on an at-cost basis. Beginning January 2001, OFS is paid at an agreed upon per account fee.

4. Illiquid or Restricted Securities

As of January 31, 2001, investments in securities included issues that are illiquid or restricted. Restricted securities are often purchased in private placement transactions, are not registered under the Securities Act of 1933, may have contractual restrictions on resale, and are valued under methods approved by the Board of Directors as reflecting fair value. A security may also be considered illiquid if it lacks a readily available market or if its valuation has not changed for a certain period of time. The Fund intends to invest no more

18 OPPENHEIMER MONEY MARKET FUND, INC.

than 10% of its net assets (determined at the time of purchase and reviewed periodically) in illiquid or restricted securities. Certain restricted securities, eligible for resale to qualified institutional investors, are not subject to that limitation. The aggregate value of illiquid or restricted securities subject to this limitation as of January 31, 2001, was $125,996,400, which represents 6.55% of the Fund’s net assets, of which $10,000,000 is considered restricted. Information concerning restricted securities is as follows:

Security	Acquisition Date	Cost Per Unit	Valuation Per Unit as of January 31, 2001
Short-Term Notes		$1.00
Travelers Insurance Co.	10/5/00		$1.00

19 OPPENHEIMER MONEY MARKET FUND, INC.

OPPENHEIMER MONEY MARKET FUND, INC.

Officers and Directors	Leon Levy, Chairman of the Board of Directors Donald W. Spiro, Vice Chairman of the Board of Directors Bridget A. Macaskill, President Robert G. Galli, Director Benjamin Lipstein, Director Elizabeth B. Moynihan, Director Kenneth A. Randall, Director Edward V. Regan, Director Russell S. Reynolds, Jr., Director Clayton K. Yeutter, Director Carol E. Wolf, Vice President Andrew J. Donohue, Secretary Brian W. Wixted, Treasurer Robert J. Bishop, Assistant Treasurer Scott T. Farrar, Assistant Treasurer Robert G. Zack, Assistant Secretary
Investment Advisor	OppenheimerFunds, Inc.
Distributor	OppenheimerFunds Distributor, Inc.
Transfer and Shareholder Servicing Agent	OppenheimerFunds Services
Custodian of Portfolio Securities	Citibank, N.A.
Independent Auditors	KPMG LLP
Legal Counsel	Mayer, Brown & Platt
	The financial statements included herein have been taken from the records of the Fund without examination of those records by the independent auditors. For more complete information about Oppenheimer Money Market Fund, Inc., please refer to the Prospectus. To obtain a copy, call your financial advisor, call OppenheimerFunds Distributor, Inc. at 1.800.525.7048 or visit the OppenheimerFunds Internet website at www.oppenheimerfunds.com. Shares of Oppenheimer funds are not deposits or obligations of any bank, are not guaranteed by any bank, and are not insured by the FDIC or any other agency, and involve investment risks, including the possible loss of the principal amount invested. Oppenheimer funds are distributed by OppenheimerFunds Distributor, Inc., Two World Trade Center, New York, NY 10048-0203. (C) Copyright 2001 OppenheimerFunds, Inc. All rights reserved.

20 OPPENHEIMER MONEY MARKET FUND, INC.

INFORMATIONAND SERVICES

As an Oppenheimer fund shareholder, you can benefit from special services designed to make investing simple. Whether it’s automatic investment plans, timely market updates, or immediate account access, you can count on us whenever you need assistance.¹ So call us today, or visit our website—we’re here to help.

Internet
24-hr access to account information and transactions²
www.oppenheimerfunds.com

General Information
Mon–Fri 8:30am–9pm ET, Sat 10am–4pm ET
1.800.525.7048

Telephone Transactions
Mon–Fri 8:30am–9pm ET, Sat 10am–4pm ET
1.800.852.8457

PhoneLink
24-hr automated information and automated transactions
1.800.533.3310

Telecommunications Device for the Deaf (TDD)
Mon–Fri 8:30am–7pm ET 1.800.843.4461

OppenheimerFunds Information Hotline
24 hours a day, timely and insightful messages on the economy and issues that may affect your investments
1.800.835.3104

Transfer and Shareholder Servicing Agent
OppenheimerFunds Services
P.O. Box 5270, Denver, CO 80217-5270

eDocs Direct
Receive shareholder reports and prospectus notifications for your fund via email. Sign up at www.oppenheimerfunds.com

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1. Automatic investment plans do not assure profit or protect against losses in declining markets.

2. At times this website may be inaccessible or its transaction feature may be unavailable.

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RS0200.001.0101 April 1, 2001