MFS SERIES TRUST V, 497J, 1998-02-02

MFS SERIES TRUST V
497J, 1998-02-02

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                              MFS SERIES TRUST V
               500 Boylston Street Boston Massachusetts 02116-3741
                                  617 954 5000




                                    February 2, 1998



VIA EDGAR

Securities and Exchange Commission
Judiciary Plaza
450 Fifth Street, NW
Washington, DC  20549

         Re:   MFS Series Trust V (the "Trust") (File No. 2-38613) on behalf of
               MFS Total Return Fund and MFS Research Fund (Series of MFS Series
               Trust V)

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. 45 (the  "Amendment") to the Trust's  Registration
Statement on Form N-1A.  The Amendment was filed  electronically  on January 27,
1998.

         Please call the undersigned or Sharon Julius-Doucette at (617) 954-5406
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