"I Am a Rock" is a song written by Paul Simon. It was first performed by Simon alone as the opening track on his album The Paul Simon Songbook which he originally recorded and released in August 1965, only in the United Kingdom. Paul Simon and Art Garfunkel, as the American folk rock duo Simon & Garfunkel, re-recorded it on December 14, 1965, and included as the final track on their album Sounds of Silence, which they released on January 17, 1966. It was released as a single in 1966, and subsequently included as the B-side of the 1971 A-side reissue of "The 59th Street Bridge Song (Feelin' Groovy)".