Junior Marvin (born Donald Hanson Marvin Kerr Richards Jr., June 22, 1949), also known as Junior Marvin-Hanson, Junior Hanson, Junior Kerr, and Julian Junior Marvin, is a Jamaican-born guitarist and singer best known for his association with Bob Marley and The Wailers. He started his career as Junior Hanson with the band Hanson in 1973. Marvin has also been associated with Gass, Keef Hartley Band, Toots & the Maytals and Steve Winwood.

Born in Kingston, Surrey County, Jamaica, Marvin moved to London as a child, where his love of both acting and music was nurtured. He appeared in the Beatles’ film Help!, which was followed by a number of television appearances. Meanwhile, Marvin served his musical apprenticeship in the United States by playing with those including T-Bone Walker and Ike & Tina Turner. Back in England, he played with bands such as Herbie Goins & the Nighttimers, Blue Ace Unit and White Rabbit.