SAFECO INSTITUTIONAL SERIES TRUST, 497J, 1995-05-03

SAFECO INSTITUTIONAL SERIES TRUST
497J, 1995-05-03

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SAFECO ASSET MANAGEMENT COMPANY                 TELEPHONE (206) 545-5745
SAFECO PLAZA
SEATTLE, WASHINGTON  98185


                       CERTIFICATION UNDER RULE 497(j)

                                 May 3, 1995


VIA ELECTRONIC FILING
- ---------------------

Securities and Exchange Commission
450 5th Street, N.W. 
Washington, D.C.  20549

        Re:     SAFECO Institutional Series Trust
                1933 Act File No. 33-47859
                1940 Act File No. 811-6667
                ----------------------------------

Dear Sir or Madam:

        Pursuant to paragraph (j) of Rule 497 of Regulation C, under the
Securities Act of 1933, as amended, in lieu of filing under paragraph (c) of
Rule 497, I hereby certify that the form of Prospectus and Statement of
Additional Information dated April 28, 1995 for the above-captioned registrant
that would have been filed under paragraph (c) of Rule 497 does not differ from
that contained in the most recent amendment to the registration statement and
the text of the most recent registration statement has been filed
electronically.

                                        Sincerely,

                                        /s/ BIBB L. STRENCH
                                
                                        Bibb L. Strench
                                        Counsel





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