Henry Earl Sinks (January 1, 1940 – May 13, 2017), known professionally as Earl Sinks, was an American rock and roll singer-songwriter and actor. Sinks' career in music and acting spanned the 1950s to the 1990s. He is best known for his brief tenure as a member and occasional lead singer of The Crickets from 1958 to 1960, and for his acting roles in numerous low-budget movies and TV shows in the 1960s.

He recorded under the names Earl Sinks, Sinx Mitchell, Earl Richards, and Earl "Snake" Richards. He wrote songs for various other artists, including Sue Thompson, The Everly Brothers, The Newbeats, Ernie Ashworth, Brenda Lee, Roy Orbison, Mel Tillis, and Buddy Holly. He also played guitar and sang harmony for sessions with artists such as Mel Tillis, Del Reeves, Mel Street, and Charlie Pride.