COLUMBIA FUNDS SERIES TRUST I

225 Franklin Street

Boston, MA 02110

June 1, 2015

VIA EDGAR

Ms. Deborah O’Neal-Johnson

U.S. Securities and Exchange Commission

Division of Investment Management

100 F Street, N.E.

Washington, D.C. 20549

RE: Columbia Funds Series Trust I (the Registrant)

          Columbia Diversified Real Return Fund

Post-Effective Amendment No. 228

File Nos. 002-99356 /811-04367

Dear Ms. O’Neal-Johnson:

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 above-referenced fund do not differ from that contained in Registrant’s Post-Effective Amendment No. 228 (Amendment). This Amendment was filed electronically on May 28, 2015.

If you have any questions regarding this filing, please contact either the undersigned at 212-850-1703 or Katina Walker at 612-671-6990.

Sincerely,

/s/ Joseph L. D’Alessandro

Joseph L. D’Alessandro

Vice President and Assistant Secretary

Columbia Funds Series Trust I