EXHIBIT 32.2

                            CERTIFICATION PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
                            (18 U.S.C. SECTION 1350)

I, Lawrence Jacobson, President of RealNetworks, Inc., certify, pursuant to 18
U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley
Act of 2002, that the Quarterly Report of RealNetworks, Inc. on Form 10-Q for
the fiscal quarter ended June 30, 2003 fully complies with the requirements of
Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that
information contained in such Quarterly Report on Form 10-Q fairly presents in
all material respects the financial condition and results of operations of
RealNetworks, Inc.

Date: August 13, 2003
                                  By: /s/ Lawrence Jacobson
                                      ----------------------------------
                                  Name: Lawrence Jacobson
                                  Title: President

A signed original of this written statement required by Section 906 has been
provided to RealNetworks, Inc. and will be retained by RealNetworks, Inc. and
furnished to the Securities and Exchange Commission or its staff upon request.