EXHIBIT 23.1
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KPMG LLP
Suite 900, Morgan Keegan Tower
Fifty North Front Street
Memphis, TN 38103


        Consent of Independent Registered Public Accounting Firm


The Board of Directors
First Horizon National Corporation:

We consent to the  incorporation by reference in the  registration  statement on
Form S-8  pertaining to the  registering  of  additional  shares under the First
Horizon National  Corporation  Savings Plan of our reports dated March 11, 2005,
with  respect to the  consolidated  statements  of  condition  of First  Horizon
National  Corporation  as of  December  31,  2004  and  2003,  and  the  related
consolidated statements of income, shareholders' equity, and cash flows for each
of the years in the  three-year  period ended  December  31, 2004,  management's
assessment of the effectiveness of internal control over financial  reporting as
of December 31, 2004, and the  effectiveness  of internal control over financial
reporting as of December 31, 2004,  which reports are  incorporated by reference
in the Company's  2004 Annual Report on Form 10-K,  and to all references to our
firm included therein.


/s/ KPMG LLP

Memphis, Tennessee
March 15, 2005