497J 1 bf110413pro497j.txt CERTIFICATION LETTER FOR PRO [logo] PIONEER Investments(R) November 4, 2013 VIA ELECTRONIC TRANSMISSION U.S. Securities and Exchange Commission File Desk 100 F. Street, N.E. Washington, DC 20549 Re: Pioneer Bond Fund (the "Fund") (File Nos. 2-62436 and 811-02864) CIK No. 0000276776 Ladies and Gentlemen: Pursuant to Rule 497(j) under the Securities Act of 1933, as amended, I certify that the form of prospectus for the Fund, which would have been filed under paragraph (c) of Rule 497 does not differ from that contained in Post-Effective Amendment No. 55 to the Fund's registration statement on Form N-1A filed electronically (Accession No. 0000276776-13-000099) on October 25, 2013. If you have any questions concerning the foregoing certification, please contact me at (617) 422-4388. Very truly yours, /s/ Daniel J. Hynes Daniel J. Hynes Senior Legal Product Manager cc: Jeremy B Kantrowitz, Esq. Toby R. Serkin, Esq. Pioneer Investment Management, Inc. 60 State Street Boston, MA 02109-1820 "Member of the UniCredit Banking Group, Register of Banking Groups."