CERTIFICATION
          RiverSource Diversified Income Series, Inc. (the Registrant)

Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

Each of the undersigned below certifies that

     1.   This report on Form N-CSR of the Registrant (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 Registrant.


Date: April 18, 2008                    /s/ Patrick T. Bannigan
                                        ----------------------------------------
                                        Patrick T. Bannigan
                                        President and Principal Executive
                                        Officer


Date: April 18, 2008                    /s/ Jeffrey P. Fox
                                        ----------------------------------------
                                        Jeffrey P. Fox
                                        Treasurer and Principal Financial
                                        Officer

A SIGNED ORIGINAL OF THIS WRITTEN STATEMENT REQUIRED BY SECTION 906, OR OTHER
DOCUMENT AUTHENTICATING, ACKNOWLEDGING, OR OTHERWISE ADOPTING THE SIGNATURE THAT
APPEARS IN TYPED FORM WITHIN ELECTRONIC VERSION OF THIS WRITTEN STATEMENT
REQUIRED BY SECTION 906, HAS BEEN PROVIDED TO THE REGISTRANT AND WILL BE
RETAINED BY THE REGISTRANT AND FURNISHED TO THE SECURITIES AND EXCHANGE
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 filed with
the Commission.