KAPN (107.3 FM) is a radio station licensed to Caldwell, Texas, United States.

From 1995 to 1996, the call letters for KAPN belonged to what is now KKAT, in Salt Lake City, Utah.

On 12 October 1989, the station changed its call sign to KHEN, and on 13 March 2007 to KHTZ.

On 10 September 2008, the station changed its call letters to KULF and on 2 February 2009 to the current KAPN.

On February 8, 2019, KAPN added a simulcast on translator on K272FK 102.3 FM College Station, and rebranded as "Classic Hits 102.3 & 107.3".