PIONEER FUND
60 STATE STREET
BOSTON, MASSACHUSETTS 02109
May 2, 1997
VIA ELECTRONIC TRANSMISSION
Securities and Exchange Commission
File Desk
Judiciary Plaza
450 Fifth Street, NW
Washington, DC 20549
Re: Pioneer Fund (the "Fund")
File Nos. 2-25980 and 811-1466
CIK No. 0000078713
Ladies and Gentlemen:
Pursuant to Rule 497(j) under the Securities Act of 1933, this letter
certifies that the Prospectus and Statement of Additional Information that would
have been required to be filed under paragraph (c) of Rule 497 does not differ
from that contained in the Post-Effective Amendment, dated April 30, 1997, and
that the text of the Post -Effective Amendment has been filed electronically,
Accession No. 0000950146-97-0000675.
If you have any questions concerning the foregoing or the attachments,
please call the undersigned or Deb Kessinger collect at (617) 742-7825.
Very truly yours,
/s/Eunice R. Simmons
Eunice R. Simmons
EDGAR Compliance Associate
cc: Blue Sky
Mr. Joseph P. Barri, Esq.
Mr. Mark Goshko, Esq.
