UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM N-PX

ANNUAL REPORT OF PROXY VOTING RECORD OF REGISTERED

MANAGEMENT INVESTMENT COMPANIES

Investment Company Act file number 811-21569

-----

Pioneer Asset Allocation Trust

----------------------------------------------------

(Exact name of registrant as specified in charter)

60 State Street Boston, MA  02109

----------------------------------------------------

(Address of principal executive offices)

Terrence J. Cullen

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:  July 31

Date of reporting period:  July 1, 2019 to June 30, 2020

SIGNATURES

Pursuant to the requirements of 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 Asset Allocation Trust

By (Signature and Title) /s/ Lisa Jones

                         -------------------------

                         Lisa Jones, Chief Executive Officer

                         & President

Date: August 25, 2020

====================== Pioneer Solutions - Balanced Fund =======================

There is no proxy voting activity for the fund, as the fund did not hold any

votable positions during the reporting period.

========== END NPX REPORT