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, Principal Executive Officer, and Brian W. Wixted, Principal
Financial Officer, of Oppenheimer Money Market Fund, Inc. (the "Registrant"),
each certify to the best of his knowledge that:

1.  The Registrant's periodic report on Form N-CSR for the period ended January
    31, 2007 (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.


Principal Executive Officer                  Principal Financial Officer

Oppenheimer Money Market Fund, Inc.          Oppenheimer Money Market Fund, Inc.



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

Date: March 13, 2007                         Date: March 13, 2007