Garry McMahon (31 August 1937 – 5 March 2008) was an Irish sportsperson. He played Gaelic football with his local club Listowel Emmets and was a member of the senior Kerry county team from the 1958 until 1962. For 58 years, from 1962 until 2020, McMahon held the record for scoring the fastest goal in the history of All-Ireland SFC finals, until Dean Rock knocked more than 20 seconds off it.