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 811-21043
                                      -----

Pioneer High Income Trust
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(Exact name of registrant as specified in charter)

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

Dorothy Bourassa
60 State Street
Boston, MA  02109
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(Name and address of agent for service)

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

Date of fiscal year end:  March 31

Date of reporting period:  July 1, 2008 to June 30, 2009

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 High Income Trust

By (Signature and Title)  /s/ John F. Cogan, Jr.
                         -------------------------
                         John F. Cogan, Jr., Chairman and President

Date  August 19, 2009
      ----------------




========================== PIONEER HIGH INCOME TRUST ===========================


BIOFUEL ENERGY ASA

Ticker:                      Security ID:  R1137LAA6
Meeting Date: NOV 21, 2008   Meeting Type: Bondholder
Record Date:

#     Proposal                                Mgt Rec   Vote Cast    Sponsor
1     Approve Notice of Meeting               For       For          Management
2     Approve Agenda                          For       For          Management
3     Designate Inspector(s) of the Minutes   For       For          Management
      of Meeting
4     Amend Conditions of Loan Agreement      For       For          Management


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CHARTER COMMUNICATIONS, INC.

Ticker:       CHTRQ          Security ID:  12502BAC7
Meeting Date: JUN 15, 2009   Meeting Type: Written Consent
Record Date:  APR 17, 2009

#     Proposal                                Mgt Rec   Vote Cast    Sponsor
1     Plan Of Reorganization                  For       For          Management


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CHARTER COMMUNICATIONS, INC.

Ticker:       CHTRQ          Security ID:  12502CAM3
Meeting Date: JUN 15, 2009   Meeting Type: Written Consent
Record Date:  APR 17, 2009

#     Proposal                                Mgt Rec   Vote Cast    Sponsor
1     Plan Of Reorganization                  For       For          Management


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DELTA AIR LINES, INC.

Ticker:       DAL            Security ID:  247361702
Meeting Date: JUN 22, 2009   Meeting Type: Annual
Record Date:  APR 24, 2009

#     Proposal                                Mgt Rec   Vote Cast    Sponsor
1     Elect Director Richard H. Anderson      For       For          Management
2     Elect Director Roy J. Bostock           For       For          Management
3     Elect Director John S. Brinzo           For       For          Management
4     Elect Director Daniel A. Carp           For       For          Management
5     Elect Director John M. Engler           For       For          Management
6     Elect Director Mickey P. Foret          For       For          Management
7     Elect Director David R. Goode           For       For          Management
8     Elect Director Paula Rosput Reynolds    For       For          Management
9     Elect Director Kenneth C. Rogers        For       For          Management
10    Elect Director Rodney E. Slater         For       For          Management
11    Elect Director Douglas M. Steenland     For       For          Management
12    Elect Director Kenneth B. Woodrow       For       For          Management
13    Ratify Auditors                         For       For          Management
14    Provide for Cumulative Voting           Against   For          Shareholder


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DP PRODUCER AS

Ticker:                      Security ID:  R19015AA5
Meeting Date: DEC 18, 2008   Meeting Type: Bondholder
Record Date:

#     Proposal                                Mgt Rec   Vote Cast    Sponsor
1     Approval of the Summons                 For       For          Management
2     Approval of the Agenda                  For       For          Management
3     Election of Two Persons to Co-sign the  For       For          Management
      Minutes Together with the Chairman
4     Approve USD 50 Million Write Off; (a)   For       For          Management
      Consent to Keep Remaining Bonds on
      Existing Terms and Conditions, or (b)
      Convert Bonds into Shares of FPS Ocean
      AS, or (c) Convert Bonds into New
      Convertible Bonds in FPS Ocean AS;
      Approve Other Amendments


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DP PRODUCER AS

Ticker:                      Security ID:  R19015AA5
Meeting Date: APR 3, 2009    Meeting Type: Bondholder
Record Date:

#     Proposal                                Mgt Rec   Vote Cast    Sponsor
1     Approve Summons                         For       For          Management
2     Approve Agenda                          For       For          Management
3     Elect Two Persons to Co-sign Minutes    For       For          Management
      Together with Chairman
4     Procure Funding Related to Liquidation  For       For          Management
      Costs and Approve Other Administrative
      Measures Related to the Company's
      Bankruptcy


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NEXUS FLOATING PRODUCTION LTD.

Ticker:                      Security ID:  Y6265HAA0
Meeting Date: JUN 17, 2009   Meeting Type: Bondholder
Record Date:

#     Proposal                                Mgt Rec   Vote Cast    Sponsor
1     Approve Summons                         For       Did Not Vote Management
2     Approve Agenda                          For       Did Not Vote Management
3     Approve Election of Two Bondholders to  For       Did Not Vote Management
      Sign the Minutes Together with
      Chairperson
4     Approve Change of Loan Agreement        For       Did Not Vote Management


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NORTHWEST AIRLINES CORP.

Ticker:       NWA            Security ID:  667280408
Meeting Date: SEP 25, 2008   Meeting Type: Annual
Record Date:  JUL 31, 2008

#     Proposal                                Mgt Rec   Vote Cast    Sponsor
1.1   Elect Director Roy J. Bostock           For       For          Management
1.2   Elect Director David A. Brandon         For       For          Management
1.3   Elect Director Michael J. Durham        For       For          Management
1.4   Elect Director John M. Engler           For       For          Management
1.5   Elect Director Mickey P. Foret          For       For          Management
1.6   Elect Director Robert L. Friedman       For       For          Management
1.7   Elect Director Doris Kearns Goodwin     For       For          Management
1.8   Elect Director Jeffrey G. Katz          For       For          Management
1.9   Elect Director James J. Postl           For       For          Management
1.10  Elect Director Rodney E. Slater         For       For          Management
1.11  Elect Director Douglas M. Steenland     For       For          Management
1.12  Elect Director William S. Zoller        For       For          Management
2     Approve Reorganization                  For       For          Management
3     Ratify Auditors                         For       For          Management
4     Amend Omnibus Stock Plan                For       For          Management
5     Adjourn Meeting                         For       For          Management


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NORWEGIAN ENERGY COMPANY ASA

Ticker:                      Security ID:  R6333ZAA6
Meeting Date: NOV 3, 2008    Meeting Type: Bondholder
Record Date:

#     Proposal                                Mgt Rec   Vote Cast    Sponsor
1     Approve Convocation of Meeting          None      For          Management
2     Approve Agenda                          None      For          Management
3     Designate Inspector(s) of Minutes of    None      For          Management
      Meeting
4     Amend Loan Agreement: Delete Clause     For       For          Management
      13.3(c) from the Loan Agreement; Amend
      Repayment Schedule


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NORWEGIAN ENERGY COMPANY ASA

Ticker:                      Security ID:  R6333ZAA6
Meeting Date: MAR 20, 2009   Meeting Type: Bondholder
Record Date:

#     Proposal                                Mgt Rec   Vote Cast    Sponsor
1     Approve Summons of Meeting              For       For          Management
2     Approve and Agenda                      For       For          Management
3     Designate Inspector(s) of Minutes of    For       For          Management
      Meeting
4     Approve Amendment to Bond Agreement;    For       For          Management
      Revise Amortization, Revise Option
      Schedules, New Share Pledge, Revise
      Price Hedging, Revise Exploration
      Restriction; Authorize Formalities


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PETROJACK ASA

Ticker:                      Security ID:  R6961BAC4
Meeting Date: NOV 19, 2008   Meeting Type: Bondholder
Record Date:

#     Proposal                                Mgt Rec   Vote Cast    Sponsor
1     Approve Meeting Notice                  For       For          Management
2     Approve Agenda                          For       For          Management
3     Designate Inspector(s) of Minutes of    For       For          Management
      Meeting
4     Amend Loan Agreement; Approve Partial   For       For          Management
      Early Redemption and Instalments;
      Approve Release of Rig 2 From Mortgage,
      Assignment of Insurances, and Petrojack
      II from Share Pledge; Approve the Use
      of Net Proceeds From the Sale of Rig 2
      to Complete Rig 4


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PETROPROD LTD

Ticker:                      Security ID:  G7053QAA4
Meeting Date: JUN 10, 2009   Meeting Type: Bondholder
Record Date:

#     Proposal                                Mgt Rec   Vote Cast    Sponsor
1     Approval of Summons                     For       For          Management
2     Approval of the Agenda                  For       For          Management
3     Election of Two Persons to Sign the     For       For          Management
      Minutes Together with the Chairman
4     Consent to Certain Proposals            For       For          Management


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SKEIE DRILLING & PRODUCTION ASA

Ticker:                      Security ID:  R7034SAB0
Meeting Date: JUN 29, 2009   Meeting Type: Bondholder
Record Date:

#     Proposal                                Mgt Rec   Vote Cast    Sponsor
1     Approve Summons                         For       For          Management
2     Approve Agenda                          For       For          Management
3     Designate Inspectors of Minutes of      For       For          Management
      Meeting
4     Approve Write-off; Approve Partial      For       For          Management
      Foregoing of Interest, Approve Partial
      Conversion; Approve Consent Not to
      Declare Default; Approve Waivers and
      Amendments to Loan Agreement; Authorize
      Trustee to Implement and Make
      Adjustments if Needed


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TEVA PHARMACEUTICAL INDUSTRIES LTD.

Ticker:       TEVA           Security ID:  881624209
Meeting Date: SEP 25, 2008   Meeting Type: Special
Record Date:  AUG 18, 2008

#     Proposal                                Mgt Rec   Vote Cast    Sponsor
1     Elect Joseph (Yosi) Nitzani as External For       For          Management
      Director


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TEVA PHARMACEUTICAL INDUSTRIES LTD.

Ticker:       TEVA           Security ID:  881624209
Meeting Date: JUN 22, 2009   Meeting Type: Annual
Record Date:  MAY 13, 2009

#     Proposal                                Mgt Rec   Vote Cast    Sponsor
1     Approve Final Dividend                  For       For          Management
2.1   Elect Phillip Frost as Director         For       For          Management
2.2   Elect Roger Abravanel as Director       For       For          Management
2.3   Elect Elon Kohlberg as Director         For       For          Management
2.4   Elect Yitzhak Peterburg as Director     For       For          Management
2.5   Elect Erez Vigodman as Director         For       For          Management
3     Approve Auditors and Authorize Board to For       For          Management
      Fix Their Remuneration

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