As filed with the Securities and Exchange Commission on December 19, 2012

 1933 Act Registration No. 002-51992

 1940 Act Registration No. 811-02527

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM N-1A

REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933	|__|
Pre-Effective Amendment No.
Post-Effective Amendment No. 70	|X|
and
REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940
Amendment No.     70	|X|
DWS MONEY FUNDS (Exact name of Registrant as Specified in Charter) 345 Park Avenue, New York, NY10154-0004                                                   (Address of Principal Executive Office)       (Zip Code)
Registrant's Telephone Number, including Area Code: (312) 537-7000

John Millette, Secretary	With a copy to:
DWS Money Funds	David A. Sturms
One Beacon Street	Vedder Price P.C.
Boston, MA 02108	222 North LaSalle Street
(Name and Address of Agent for Service)	Chicago, Illinois 60601

It is proposed that this filing will become effective

| X |	Immediately upon filing pursuant to paragraph (b)
|__|	On _____________ pursuant to paragraph (b)
|__|	60 days after filing pursuant to paragraph (a)(1)
|__|	on _____________ pursuant to paragraph (a)(1)
|__|	75 days after filing pursuant to paragraph (a)(2)
|__|	on (date) pursuant to paragraph (a)(2) of Rule 485

	If appropriate, check the following box:
|__|	This post-effective amendment designates a new effective date for a previously filed post-effective amendment.

This filing relates solely to the following Fund, a series of the Registrant:

DWS Money Market Prime Series:
 DWS Cash Investment Trust Class A
 DWS Cash Investment Trust Class B
 DWS Cash Investment Trust Class C
 DWS Cash Investment Trust Class S
 DWS Money Market Fund

SIGNATURES

Pursuant to the requirements of the Securities Act of 1933 and the Investment Company Act of 1940, the Registrant certifies that it meets all of the requirements for effectiveness of this Registration Statement pursuant to Rule 485(b) under the Securities Act of 1933 and has duly caused this amendment to its Registration Statement to be signed on its behalf by the undersigned, thereto duly authorized, in the City of New York and the State of New York on the 15th day of December 2012.

DWS MONEY FUNDS

By:  /s/W. Douglas Beck

        W. Douglas Beck*

        President

Pursuant to the requirements of the Securities Act of 1933, this Post-Effective Amendment to its Registration Statement has been signed below by the following persons in the capacities and on the dates indicated:

SIGNATURE	TITLE		DATE
/s/W. Douglas Beck
W. Douglas Beck*		President		December 15, 2012
/s/Paul H. Schubert
Paul H. Schubert		Chief Financial Officer and Treasurer		December 15, 2012
/s/John W. Ballantine
John W. Ballantine*		Trustee		December 15, 2012
/s/Henry P. Becton, Jr.
Henry P. Becton, Jr.*		Trustee		December 15, 2012
/s/Dawn-Marie Driscoll
Dawn-Marie Driscoll*		Trustee		December 15, 2012
/s/Keith R. Fox
Keith R. Fox*		Trustee		December 15, 2012
/s/Paul K. Freeman
Paul K. Freeman*		Chairperson and Trustee		December 15, 2012
/s/Kenneth C. Froewiss
Kenneth C. Froewiss*		Trustee		December 15, 2012
/s/Richard J. Herring
Richard J. Herring*		Trustee		December 15, 2012
/s/William McClayton
William McClayton*		Trustee		December 15, 2012
/s/Rebecca W. Rimel
Rebecca W. Rimel*		Trustee		December 15, 2012
/s/William N. Searcy, Jr.
William N. Searcy, Jr.*		Trustee		December 15, 2012
/s/Jean Gleason Stromberg
Jean Gleason Stromberg*		Trustee		December 15, 2012
/s/Robert H. Wadsworth
Robert H. Wadsworth*		Trustee		December 15, 2012

*By:           

/s/Caroline Pearson

Caroline Pearson**

Chief Legal Officer

** Attorney-in-fact pursuant to the powers of attorney that are incorporated herein by reference to Post-Effective Amendment No. 67 to the Registration Statement, as filed on November 23, 2011; and as filed on November 26, 2008 in Post-Effective Amendment No. 62 to the Registration Statement.

EXHIBIT INDEX

Index No.	Description of Exhibit
EX-101.INS	XBRL Instance Document
EX-101.SCH	XBRL Taxonomy Extension Schema Document
EX-101.CAL	XBRL Taxonomy Extension Calculation Linkbase
EX-101.DEF	XBRL Taxonomy Extension Definition Linkbase
EX-101.LAB	XBRL Taxonomy Extension Labels Linkbase
EX-101.PRE	XBRL Taxonomy Extension Presentation Linkbase