John Mayall (born 29 November 1933) is an English blues and rock musician, songwriter and producer. In the 1960s, he formed John Mayall & the Bluesbreakers, a band that has counted among its members some of the most famous blues and blues rock musicians.

A singer, guitarist, harmonica player, and keyboardist, he has a career that spans nearly seven decades. At ninety years old, Mayall is one of the oldest active musicians. Mayall was inducted into the Rock and Roll Hall of Fame in the musical influence category in 2024.