EX-99.906CERT
SECTION 906 CERTIFICATIONS

                            SECTION 906 CERTIFICATION

         Joseph D. Gallagher, Chief Executive Officer, and Michael A. Pignataro,
Chief Financial Officer, of Credit Suisse High Yield Bond Fund (the "Fund"),
each certify to the best of his knowledge that:

(1) The Fund's periodic report on Form N-CSR for the period ended April 30, 2003
(the "Report") fully complies with the requirements of Section 13(a) or 15(d) of
the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material
respects, the financial condition and results of operations of the Fund.

     /s/ Joseph D. Gallagher                         /s/ Michael A. Pignataro
     Joseph D. Gallagher                             Michael A. Pignataro
     -------------------                             --------------------
     Chief Executive Officer                         Chief Financial Officer
     July 2, 2003                                    July 2, 2003

A signed original of this written statement required by Section 906 of the
Sarbanes-Oxley Act of 2002 has been provided to the Fund and will be retained by
the Fund and furnished to the Securities and Exchange Commission (the
"Commission") or its staff upon request.

This certification is being furnished to the Commission solely pursuant to 18
U.S.C. Section 1350 and is not being filed as part of the Form N-CSR with the
Commission.