American Beacon Advisors, Inc.
4151 Amon Carter Blvd. MD 2450
Fort Worth, TX 76155


January 2, 2013


VIA EDGAR
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Securities and Exchange Commission
100 F Street, N.E.
Washington, DC 20549


Re:  American Beacon Funds
     1933 Act File No. 33-11387
     1940 Act File No. 811-4984

Dear Sir or Madam:

Pursuant to Rule 497(j) of the Securities Act of 1933, as amended, American Beacon Funds ("Registrant") hereby certifies (a) that the form of Prospectus used with respect to the American Beacon Zebra Global Equity Fund, American Beacon Zebra Small Cap Equity Fund, American Beacon Flexible Bond Fund, American Beacon SiM High Yield Opportunities Fund and American Beacon The London Company Income Equity Fund of the Registrant does not differ from that contained in Post-Effective Amendment No. 151 (“Amendment No. 151”) to Registrant’s Registration Statement, (b) that the form of Statement of Additional Information used with respect to the American Beacon Zebra Global Equity Fund, American Beacon Zebra Small Cap Equity Fund, American Beacon Flexible Bond Fund, American Beacon SiM High Yield Opportunities Fund and American Beacon The London Company Income Equity Fund of the Registrant does not differ from that contained in Amendment No. 151, and (c) that Amendment No. 151 was filed electronically.

If you have any questions concerning the foregoing, please do not hesitate to contact the undersigned at (817) 391-6175.

Sincerely,

/s/ John Okray
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John Okray
Deputy General Counsel


cc:   Francine Rosenberger, Esq.
          K&L Gates LLP