Sonny Curtis (May 9, 1937 – September 19, 2025) was an American singer and songwriter. Known for his collaborations with Buddy Holly, he was a member of the Crickets and continued with the band after Holly's death in 1959. He is a member of three music Halls of Fame including the Rock and Roll Hall of Fame.

Curtis's best known compositions include "Walk Right Back", a major hit in 1961 for the Everly Brothers; "I Fought the Law", notably covered by the Bobby Fuller Four, the Clash, and Green Day; "Love is All Around", the theme song for The Mary Tyler Moore Show; "More Than I Can Say", co-written with The Crickets' drummer Jerry Allison and a hit for Leo Sayer in 1980, and "I'm No Stranger to the Rain", a #1 Country hit for Keith Whitley in 1989.

Curtis died from pneumonia at a hospital in Nashville, Tennessee, on September 19, 2025, at the age of 88.