"Big Iron" is a country ballad song written and performed by Marty Robbins. Originally released as an album track on Gunfighter Ballads and Trail Songs in September 1959, it was released as a single in February 1960 with the song "Saddle Tramp" as the B-side single. In 2010, members of the Western Writers of America chose it as the 11th best Western song of all time.