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MFS VARIABLE INSURANCE TRUST
500 Boylston Street Boston Massachusetts 02116-3741
617 954 5000
May 1, 1998
VIA EDGAR
Securities and Exchange Commission
Judiciary Plaza
450 Fifth Street, NW
Washington, DC 20549
Re: MFS Variable Insurance Trust (the "Trust") (File No. 33-74668)
Ladies and Gentlemen:
Pursuant to Rule 497(j) under the Securities Act of 1933, as amended,
please accept this letter as certification that the Prospectus and Statement of
Additional Information for the Trust do not differ from those contained in
Post-Effective Amendment No. 11 (the "Amendment") to the Trust's Registration
Statement on Form N-1A. The file date for the Amendment is April 27, 1998 and
the date of effectiveness is April 29, 1998.
Please call the undersigned or Annamarie D'Angelo at (617) 954-5180
or (800) 343-2829 with any questions you may have.
Very truly yours,
JAMES R. BORDEWICK, JR.
James R. Bordewick, Jr.
Assistant Secretary
JRB/bjn