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  deferred  compensation
obligations under the First Horizon Nonqualified  Deferred  Compensation 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
April 22, 2005