Nicholas Bowen "Topper" Headon (born 30 May 1955) is an English drummer, best known as the drummer of punk rock band the Clash. Known for his instrumental contributions to the drumming world, Headon was inducted in the Rock and Roll Hall of Fame with the rest of The Clash in 2003.

He joined the Clash in 1977 and became famed for his drumming skills. He received his nickname owing to his resemblance to Mickey the Monkey from the Topper comic.