UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                   FORM N-Q

                   QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS
    OF REGISTERED MANAGEMENT INVESTMENT COMPANY



  Investment Company Act file number 811-22987


                         Pioneer ILS Interval Fund
               (Exact name of registrant as specified in charter)


                       60 State Street, Boston, MA 02109
              (Address of principal executive offices) (ZIP code)


            Terrence J. Cullen, Pioneer Investment Management, Inc.,
                       60 State Street, Boston, MA 02109
                    (Name and address of agent for service)


Registrant's telephone number, including area code:  (617) 742-7825


Date of fiscal year end:  October 31

Date of reporting period:  July 31, 2017

Form N-Q is to be used by management investment companies, other than small
business investment companies registered on Form N-5 (239.24 and 274.5 of this
chapter), to file reports with the Commission, not later than 60 days after
close of the first and third fiscal quarters, pursuant to Rule 30b1-5 under
the Investment Company Act of 1940 (17 CFR 270.30b1-5).  The Commission may
use the information provided on Form N-Q in its regulatory, disclosure review,
inspection, and policymaking roles.

A registrant is required to disclose the information specified by Form N-Q,
and the Commission will make this information public. A registrant is not
required to respond to the collection of information contained in Form N-Q
unless the Form displays a currently valid Office of Management and Budget
("OMB") control number. Please direct comments concerning the accuracy of the
information collection burden estimate and any suggestions for reducing the
burden to Secretary, Securities and Exchange Commission, 450 Fifth Street, NW,
Washington, DC 20549-0609.  The OMB has reviewed this collection of information
under the clearance requirements of 44 U.S.C. ss. 3507.


<PAGE>
ITEM 1. Schedule of Investments.

File the schedules as of the close of the reporting period as set forth in
ss. 210.12-12  12-14 of Regulation S-X [17 CFR 210.12-12  12-14]. The
schedules need not be audited.

			Pioneer ILS Interval Fund
			Schedule of Investments 7/31/17 (unaudited)
	Principal Amount ($) (e)	Floating Rate (b)			Value
			CORPORATE BONDS - 97.9%
			Insurance - 97.9%
			Reinsurance - 97.9%
	2,000,000		Ailsa 2017 Segregated Account (Artex SAC Ltd.), Variable Rate Notes, 1/15/18 (c)(d)	$	1,910,400
	600,000	4.81	Alamo Re, Ltd., Floating Rate Note, 6/7/18 (Cat Bond) (144A)		607,860
	3,600,000	0.50	Alamo Re, Ltd., Floating Rate Note, 6/8/20 (Cat Bond) (144A)		3,645,360
	2,300,000	0.00	Aozora Re Ltd 2017-A, 4/7/21 (Cat Bond)		2,327,370
	2,100,000		Arlington Segregated Account (Artex SAC Ltd.), Variable Rate Notes, 8/31/16 (c)(d)		102,060
	6,500,000		Arlington Segregated Account (Artex SAC Ltd.), Variable Rate Notes, 8/31/17 (c)(d)		848,250
	3,000,000		Berwick 2016-1 Segregated Account (Artex SAC Ltd.), Variable Rate Notes, 2/1/18 (c)(d)		142,500
	1,500,000		Berwick Segregated Account (Artex SAC Ltd.), Variable Rate Note, 1/22/16 (c)(d)		45,000
	5,299,000		Berwick Segregated Account (Artex SAC Ltd.), Variable Rate Notes, 2/1/19 (c)(d)		5,478,636
	1,000,000	7.85	Buffalo Re, Ltd., Floating Rate Note, 4/7/20 (Cat Bond) (144A)		993,300
	1,250,000	4.35	Buffalo Re, Ltd., Floating Rate Note, 4/7/20 (Cat Bond) (144A)		1,253,500
	250,000	5.85	Caelus Re IV, Ltd., Floating Rate Note, 3/6/20 (Cat Bond) (144A)		261,800
	5,000,000		Carnoustie 2016-N,Segregated Account (Artex SAC Ltd.), Variable Rate Notes, 11/30/20 (c)(d)		541,000
	12,500,000		Carnoustie 2017,Segregated Account (Artex SAC Ltd.), Variable Rate Notes, 11/30/21 (c)(d)		12,982,500
	2,000,000		Carnoustie Segregated Account (Artex SAC Ltd.), Variable Rate Notes, 2/19/16 (c)(d)		40,800
	1,750,000	6.21	Casablanca Re, Ltd., Floating Rate Note, 6/4/20 (Cat Bond) (144A)		1,757,700
	1,000,000	7.84	Citrus Re, Ltd., Floating Rate Note, 2/25/19 (Cat Bond) (144A)		1,012,400
	4,350,000	0.50	Cranberry Re, Ltd., Floating Rate Note, 7/13/20 (Cat Bond)		4,354,350
	250,000	3.80	Cranberry Re, Ltd., Floating Rate Note, 7/6/18 (Cat Bond) (144A)		252,925
	4,537,500		Cypress 2017 Segregated Account (Artex SAC Ltd.), Variable Rate Notes, 1/10/18 (c)(d)		4,286,576
	10,176,700		Eden Re II, Ltd., Variable Rate Notes, 3/22/21 (c)(d)		10,620,404
	11,800,000		Eden Re II, Ltd., Variable Rate Notes, 3/22/21 (144A) (c)(d)		12,310,940
	6,091		Eden Re II, Ltd., Variable Rate Notes, 4/23/19 (c)(d)		488,193
	27,787		Eden Re II, Ltd., Variable Rate Notes, 4/23/19 (144A) (c)(d)		608,779
	500,000	4.53	First Coast Re 2016, Ltd., Floating Rate Note, 6/7/19 (Cat Bond) (144A)		501,100
	1,000,000		Fortius Re II, Ltd., Variable Rate Notes, 7/7/21 (144A) (c)(d)		1,001,300
	250,000	9.13	Galilei Re, Ltd., Floating Rate Note, 1/8/20 (Cat Bond) (144A)		248,975
	500,000	14.38	Galilei Re, Ltd., Floating Rate Note, 1/8/20 (Cat Bond) (144A)		496,750
	250,000	14.26	Galilei Re, Ltd., Floating Rate Note, 1/8/21 (Cat Bond) (144A)		250,325
	500,000	9.01	Galilei Re, Ltd., Floating Rate Note, 1/8/21 (Cat Bond) (144A)		499,700
	1,000,000	7.40	Galilei Re, Ltd., Floating Rate Note, 1/8/21 (Cat Bond) (144A)		1,013,800
	750,000	9.83	Galileo Re, Ltd., Floating Rate Note, 1/8/19 (Cat Bond) (144A)		748,200
	1,250,000	14.35	Galileo Re, Ltd., Floating Rate Note, 1/8/19 (Cat Bond) (144A)		1,236,250
	7,000,000		Gleneagles Segregated Account (Artex SAC Ltd), Variable Rate Notes, 11/30/20 (c)(d)		820,400
	19,900,000		Gleneagles Segregated Account (Artex SAC Ltd.), Variable Rate Notes, 11/30/21 (c)(d)		20,369,640
	7,350,000		Gulfstream Segregated Account (Artex SAC Ltd.), Variable Rate Notes, 6/12/18 (c)(d)		6,967,065
	11,000,000		Gullane Segregated Account (Artex SAC Ltd.), Variable Rate Note 11/30/20 (c)(d)		239,800
	19,020,500		Gullane Segregated Account (Artex SAC Ltd.), Variable Rate Note 11/30/21 (c)(d)		20,262,539
	250,000	12.00	Horse Capital I DAC, Floating Rate Note, 6/15/20 (Cat Bond) (144A)		295,615
	600,000		International Bank for Reconstruction & Development, Floating Rate Note, 12/19/19 (Cat Bond)		600,000
	1,250,000		International Bank for Reconstruction & Development, Floating Rate Note, 12/19/19 (Cat Bond)		1,250,000
	1,375,000		International Bank for Reconstruction & Development, Floating Rate Note, 12/19/19 (Cat Bond)		1,375,000
	2,300,000	8.36	International Bank for Reconstruction & Development, Floating Rate Note, 7/15/20 (Cat Bond)		2,300,138
	3,050,000	12.56	International Bank for Reconstruction & Development, Floating Rate Note, 7/15/20 (Cat Bond)		3,056,100
	2,500,000	7.15	Kilimanjaro II Re, Ltd., Floating Rate Note, 4/20/21 (Cat Bond) (144A)		2,542,750
	2,600,000	8.65	Kilimanjaro II Re, Ltd., Floating Rate Note, 4/20/21 (Cat Bond) (144A)		2,644,460
	3,000,000	11.15	Kilimanjaro II Re, Ltd., Floating Rate Note, 4/20/21 (Cat Bond) (144A)		3,055,200
	750,000	7.17	Kilimanjaro II Re, Ltd., Floating Rate Note, 4/21/22 (Cat Bond) (144A)		764,325
	1,000,000	8.67	Kilimanjaro II Re, Ltd., Floating Rate Note, 4/21/22 (Cat Bond) (144A)		1,016,000
	1,500,000	7.25	Kilimanjaro Re, Ltd., Floating Rate Note, 12/6/19 (Cat Bond) (144A)		1,513,950
	1,500,000	9.95	Kilimanjaro Re, Ltd., Floating Rate Note, 12/6/19 (Cat Bond) (144A)		1,549,500
	1,500,000	5.76	Kilimanjaro Re, Ltd., Floating Rate Note, 4/30/18 (Cat Bond) (144A)		1,498,650
	1,500,000	5.51	Kilimanjaro Re, Ltd., Floating Rate Note, 4/30/18 (Cat Bond) (144A)		1,503,000
	10,000,000		Kingsbarn 2017 Segregated Account (Artex SAC Ltd.), Variable Rate Notes, 5/15/18 (c)(d)		9,556,000
	1,750,000		Lahinch Re, Variable Rate Notes, 5/10/21 (c)(d)		4,200
	2,274,000		Lahinch Re, Variable Rate Notes, 5/10/22 (c)(d)		2,239,435
	500,000		Limestone Re, Ltd., Variable Rate Notes, 8/31/21 (Cat Bond)		510,100
	1,500,000		Limestone Re, Ltd., Variable Rate Notes, 8/31/21 (Cat Bond)		1,530,300
	3,250,000	2.73	Lion II RE Dac, Floating Rate Note, 7/15/21 (Cat Bond) (144A)		3,844,528
	550,000	10.77	Loma Reinsurance Bermuda, Ltd., Floating Rate Note, 1/8/18 (Cat Bond) (144A)		545,930
	2,600,000		Lorenz Re, Ltd., Variable Rate Notes, 3/31/18 (c)(d)		44,720
	6,000,000		Lorenz Re, Ltd., Variable Rate Notes, 3/31/19 (c)(d)		336,000
	27,480,000		Lorenz Re, Ltd., Variable Rate Notes, 5/31/20 (c)(d)		28,455,540
	9,006,108		Madison Re, Variable Rate Notes, 12/31/19 (c)(d)		9,264,583
	4,000,000		Madison Re, Variable Rate Notes, 3/31/19 (c)(d)		254,000
	800,000	3.25	Nakama Re, Ltd., Floating Rate Note, 10/13/21 (Cat Bond) (144A)		813,760
	3,600,000	0.00	Northshore Re II, Ltd., Floating Rate Note, 7/6/20 (Cat Bond) (144A)		3,605,040
	2,350,000		Oakmont 2017 Segregated Account (Artex SAC Ltd.), Variable Rate Notes, 4/13/18 (c)(d)		2,181,035
	17,000,000		Pangaea 2017-1, Principal at Risk Notes, 11/30/21 (c)(d)		17,799,000
	33,250,000		Pangaea 2017-3, Principal at Risk Notes, /31/22 (c)(d)		33,509,350
	2,000,000		Pangaea Re, Series 2015-1, Principal at Risk Notes, 2/1/19 (c)(d)		9,000
	6,000,000		Pangaea Re, Series 2015-2, Principal at Risk Notes, 11/30/19 (c)(d)		461,400
	20,000,000		Pangaea Re, Series 2016-2, Principal at Risk Notes, 11/30/20 (c)(d)		1,076,000
	5,220,000		Pangaea Re., Variable Rate Notes, 2/1/20 (c)(d)		479,718
	4,000,000		Pinehurst Segregated Account (Artex SAC Ltd.), Variable Rate Notes, 1/16/18 (c)(d)		3,902,400
	5,500,405		Portrush 2017 Segregated Account (Artex SAC Ltd.), Variable Rate Notes, 6/15/18 (c)(d)		5,142,879
	2,000,000		Prestwick Segregated Account (Artex SAC Ltd.), Variable Rate Notes, 7/1/16 (c)(d)		34,000
	800,000	6.73	Queen Street X Re, Ltd., Floating Rate Note, 6/8/18 (Cat Bond) (144A)		796,240
	500,000	7.13	Queen Street XI Re Dac, Floating Rate Note, 6/7/19 (Cat Bond) (144A)		501,450
	250,000	6.95	Residential Reinsurance 2015, Ltd., Floating Rate Note, 12/6/19 (Cat Bond) (144A)		255,550
	1,000,000	0.00	Residential Reinsurance 2016, Ltd., Floating Rate Note, 12/6/20 (Cat Bond) (144A)		962,200
	250,000	3.93	Residential Reinsurance 2016, Ltd., Floating Rate Note, 12/6/23 (Cat Bond) (144A)		247,350
	500,000	5.37	Residential Reinsurance 2016, Ltd., Floating Rate Note, 12/6/23 (Cat Bond) (144A)		494,800
	1,250,000	11.55	Residential Reinsurance 2016, Ltd., Floating Rate Note, 6/6/20 (Cat Bond) (144A)		1,275,375
	5,000,000		Resilience Re, Ltd., Variable Rate Notes, 1/12/18 (c)(d)		4,818,500
	1,500,000	4.50	Resilience Re, Ltd., Variable Rate Notes, 1/9/19 (c)(d)		1,500,000
	4,100,000		Resilience Re, Ltd., Variable Rate Notes, 4/7/18 (c)(d)		3,810,130
	2,000,000		Resilience Re, Ltd., Variable Rate Notes, 9/30/17 (c)(d)		43,000
	3,062,750		Riviera 2017 Segregated Account (Artex SAC Ltd.), Variable Rate Notes, 4/13/18 (c)(d)		2,815,280
	1,650,000		Rw0009 Segregated Account (Artex SAC Ltd.), Variable Rate Notes, 1/10/18 (c)(d)		125,163
	4,000,000	4.13	Sanders Re, Ltd., Floating Rate Note, 12/6/21 (Cat Bond) (144A)		4,012,800
	250,000	4.26	Sanders Re, Ltd., Floating Rate Note, 5/25/18 (Cat Bond) (144A)		249,750
	2,700,000	3.25	Sanders Re, Ltd., Floating Rate Note, 6/5/20 (Cat Bond) (144A)		2,692,170
	16,670		Sector Re V, Ltd., Variable Rate Notes, 12/1/20 (144A) (c)(d)		85,392
	800,000		Sector Re V, Ltd., Variable Rate Notes, 12/1/21 (144A) (c)(d)		843,840
	2,250,000		Sector Re V, Ltd., Variable Rate Notes, 12/1/21 (144A) (c)(d)		2,373,300
	5,550,000		Sector Re V, Ltd., Variable Rate Notes, 12/1/21 (144A) (c)(d)		5,854,140
	6,134		Sector Re V, Ltd., Variable Rate Notes, 3/1/21 (c)(d)		475,529
	12,593		Sector Re V, Ltd., Variable Rate Notes, 3/1/21 (144A) (c)(d)		637,129
	850,000		Sector Re V, Ltd., Variable Rate Notes, 3/1/22 (144A) (c)(d)		862,240
	3,150,000		Sector Re V, Ltd., Variable Rate Notes, 3/1/22 (144A) (c)(d)		3,218,355
	3,600,000		Sector Re V, Ltd., Variable Rate Notes, 3/1/22 (144A) (c)(d)		3,678,120
	3,800,000		Sector Re V, Ltd., Variable Rate Notes, 3/1/22 (144A) (c)(d)		3,854,720
	5,600,000		Silverton Re, Ltd., Variable Rate Notes, 9/18/17 (144A) (c)(d)		11,200
	2,000,000		Silverton Re, Ltd., Variable Rate Notes, 9/18/18 (144A) (c)(d)		97,600
	4,750,000		Silverton Re, Ltd., Variable Rate Notes, 9/18/19 (144A) (c)(d)		5,088,200
	2,000,000	0.00	Spectrum Capital, Ltd., Floating Rate Note, 6/8/21 (Cat Bond) (144A)		2,012,000
	2,000,000		St. Andrews Segregated Account (Artex SAC Ltd.), Variable Rate Notes, 1/22/16 (c)(d)		39,400
	3,000,000		St. Andrews Segregated Account (Artex SAC Ltd.), Variable Rate Notes, 2/1/18 (c)(d)		421,800
	5,000,000		St. Andrews Segregated Account (Artex SAC Ltd.), Variable Rate Notes, 2/1/19 (c)(d)		5,270,500
	7,760,968		St. Andrews Segregated Account (Artex SAC Ltd.), Variable Rate Notes, 6/1/19 (c)(d)		7,855,652
	10,054,000		St. Andrews Segregated Account (Artex SAC Ltd.), Variable Rate Notes, 6/30/21 (c)(d)		10,145,491
	2,000,000		Sunningdale 2017 Segregated Account (Artex SAC Ltd.), Variable Rate Notes, 1/16/18 (c)(d)		1,905,400
	10,000,000		Versutus 2016, Class A-1, Variable Rate Notes, 11/30/20 (c)(d)		437,000
	20,000,000		Versutus 2017, Class A-1, Variable Rate Notes, 11/30/21 (c)(d)		20,962,000
	8,850,000		Wentworth 2017 Segregated Account (Artex SAC Ltd.), Variable Rate Notes, 7/13/18 (c)(d)		7,880,925
				$	380,701,744
			Total Insurance	$	380,701,744
			TOTAL CORPORATE BONDS
			(Cost $363,439,333)	$	380,701,744
			U.S. GOVERNMENT AND AGENCY OBLIGATIONS - 2.5%
	9,705,000		U.S. Treasury Bills, 8/3/17 (f)	$	9,704,495
			TOTAL U.S. GOVERNMENT AND AGENCY OBLIGATIONS
			(Cost $9,704,480)	$	9,704,495
			TOTAL INVESTMENT IN SECURITIES - 100.4%
			(Cost $373,143,813) (a)	$	390,406,239
			OTHER ASSETS & LIABILITIES - (0.4)%	$	(1,479,860)
			TOTAL NET ASSETS - 100.0%	$	388,926,379
	(Cat Bond)		Catastrophe or event-linked bond. At July 31, 2017, the value of these securities amounted to $70,775,696 or 18.2% of total net assets.
	(144A)		Security is exempt from registration under Rule 144A of the Securities Act of 1933.  Such securities may be resold normally to qualified institutional buyers in a transaction exempt from registration.  At July 31, 2017, the value of these securities amounted to $93,997,593 or 24.2% of total net assets.
	(a)		At July 31, 2017, the net unrealized appreciation on investments based on
			cost for federal income tax purposes of $373,143,813 was as follows:
			Aggregate gross unrealized appreciation for all investments in which
			there is an excess of value over tax cost	$	18,041,972
			Aggregate gross unrealized depreciation for all investments in which
			there is an excess of tax cost over value		(779,546)
			Net unrealized appreciation	$	17,262,426
	(b)		Debt obligation with a variable interest rate. Rate shown is rate at period end.
	(c)		Structured reinsurance investment. At July 31, 2017, the value of these securities amounted to $309,926,048 or 79.7% of total net assets.
	(d)		Rate to be determined.
	(e)		Principal amounts are denominated in U.S. Dollars unless otherwise noted:
Various inputs are used in determining the value of the Fund's investments.  These inputs are summarized in the three broad levels listed below.
Level 1 – quoted prices in active markets for identical securities.
Level 2 – other significant observable inputs (including quoted prices for similar securities, interest rates, prepayment speeds, credit risk, etc.)  See Notes to Financial Statements — Note 1A.
Level 3 – significant unobservable inputs (including the Fund's own assumptions in determining fair value of investments)  See Notes to Financial Statements — Note 1A.
The following is a summary of the inputs used as of July 31, 2017, in valuing the Fund's investments:

			Level 1			Level 2			Level 3		Total
		Corporate Bonds	$	-		$	69,736,596		$	310,965,148	$	380,701,744
		U.S. Government and Agency Obligation		-			9,704,495			-		9,704,495
		Total	$	-			79,441,091			310,965,148	$	390,406,239
		Other Financial Instruments
		Unrealized appreciation on forward foreign currency contracts	$	-		$	8,109		$	-	$	8,109
		Unrealized depreciation on forward foreign currency contracts		-			(232,356	)		-		(232,356	)
		Total Other Financial Instruments	$	-			(224,247	)		-	$	(224,247	)
The following is a reconciliation of assets valued using significant unobservable inputs (Level 3):
			Corporate Bonds
		Balance as of 10/31/16	$	138,840,744
		Realized gain (loss)1		(350,457	)
		Change in unrealized appreciation (depreciation)2		8,133,067
		Purchases		303,330,368
		Sales		(138,988,574	)
		Changes between Level 3 *		-
		Balance as of 7/31/17	$	310,965,148
	1	Realized gain (loss) on these securities is included in the net realized gain (loss) from investments in the Statement of Operations.
	2	Unrealized appreciation (depreciation) on these securities is included in the change in unrealized appreciation (depreciation) on investments in the Statement of Operations.
	*	Transfers are calculated on the beginning of period values. During the period ended July 31, 2017, there were
		no transfers between Levels 1, 2 and 3.
		Net change in unrealized appreciation (depreciation) of investments
		still held as of 7/31/17	$	9,219,688

ITEM 2. CONTROLS AND PROCEDURES. (a) Disclose the conclusions of the registrant's principal executive and principal financial officers, or persons performing similar functions, regarding the effectiveness of the registrant's disclosure controls and procedures (as defined in Rule 30a-3(c) under the Act (17 CFR 270.30a-3(c))) as of a date within 90 days of the filing date of the report that includes the disclosure required by this paragraph, based on the evaluation of these controls and procedures required by Rule 30a-3(b) under the Act (17 CFR 270.30a-3(b))) and Rule 13a-15(b) or 15d-15(b) under the Exchange Act (17 CFR 240.13a-15(b) or 240.15d-15(b)). The registrant's principal executive officer and principal financial officer have concluded that the registrant's disclosure controls and procedures are effective based on their evaluation of these controls and procedures as of a date within 90 days of the filing date of this report. (b) Disclose any change in the registrant's internal controls over financial reporting (as defined in Rule 30a-3(d) under the Act (17 CFR 270.30a-3(d)) that occurred during the registrant's last fiscal quarter that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting. There were no significant changes in the registrant's internal control over financial reporting that occurred during the second fiscal quarter of the period covered by this report that have materially affected, or are reasonably likely to materially affect, the registrant's internal control over financial reporting. ITEM 3. EXHIBITS. File as exhibits as part of this Form a separate certification for each principal executive officer and principal financial officer of the registrant as required by Rule 30a-2(a) under the Act (17 CFR 270.30a-2(a)), exactly as set forth below: CERTIFICATIONS I, [identify the certifying individual], certify that: 1. I have reviewed this report on Form N-Q of [identify registrant]; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report; 3. Based on my knowledge, the schedules of investments included in this report fairly present in all material respects the investments of the registrant as of the end of the fiscal quarter for which the report is filed; 4. The registrants other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Rule 30a-3(c) under the Investment Company Act of 1940) and internal control over financial reporting (as defined in Rule 30a-3(d) under the Investment Company Act of 1940) for the registrant and have: (a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared; (b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles; (c) Evaluated the effectiveness of the registrants disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of a date within 90 days prior to the filing date of this report, based on such evaluation; and (d) Disclosed in this report any change in the registrants internal control over financial reporting that occurred during the registrants most recent fiscal quarter that has materially affected, or is reasonably likely to materially affect, the registrants internal control over financial reporting; and 5. The registrants other certifying officer(s) and I have disclosed to the registrants auditors and the audit committee of the registrants board of directors (or persons performing the equivalent functions): (a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrants ability to record, process, summarize, and report financial information; and (b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrants internal control over financial reporting. Date: [Signature] [Title] Filed herewith. <PAGE> SIGNATURES [See General Instruction F] Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. (Registrant) Pioneer ILS Interval Fund By (Signature and Title)* /s/ Lisa M.Jones ----------------------- Lisa M.Jones, President and Chief Executive Officer Date September 27, 2017 Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated. By (Signature and Title)* /s/ Lisa M.Jones ----------------------- Lisa M.Jones, President and Chief Executive Officer Date September 27, 2017 By (Signature and Title)* /s/ Mark E. Bradley ----------------- Mark E. Bradley, Treasurer and Chief Accounting and Financial Officer Date September 27, 2017 * Print the name and title of each signing officer under his or her signature.