EX-99.906CERT

Section 906 Certifications


                CERTIFICATION PURSUANT TO 18 U.S.C SECTION 1350,

                             AS ADOPTED PURSUANT TO

                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002



JOHN V. MURPHY, Chief Executive Officer, and BRIAN W. WIXTED, Chief Financial
Officer, of Oppenheimer Senior Floating Rate Fund (the "Registrant"), each
certify to the best of his or her knowledge that:

         1. The Registrant's periodic report on Form N-CSR for the period ended
January 31, 2005 (the "Form N-CSR") fully complies with the requirements of
Section 15(d) of the Securities Exchange Act of 1934, as amended; and

         2. The information contained in the Form N-CSR fairly presents, in all
material respects, the financial condition and results of operations of the
Registrant. This certification is being furnished to the Commission solely
pursuant to 18 U.S.C. ss. 1350 and is not being filed as part of the Form N-CSR
filed with the Commission.



Chief Executive Officer                    Chief Financial Officer

Oppenheimer Senior Floating Rate Fund      Oppenheimer Senior Floating Rate Fund

/s/John V. Murphy                           /s/Brian W. Wixted
- -----------------                           ------------------
John V. Murphy                              Brian W. Wixted

Date: March 17, 2005                        Date:  March 17, 2005