Jack Wilton Marshall (November 23, 1921 – September 20, 1973) was an American jazz guitarist, composer, arranger, and record producer.

Born in El Dorado, Kansas, Marshall was one of Capitol Records' top producers in the late 1950s and 1960s.

He released two solo albums with drummer Shelly Manne that featured his fingerstyle jazz guitar playing.

He was credited with the arrangement for Peggy Lee's "Fever", with Joe Mondragon on bass, Shelly Manne on drums, and Howard Roberts adding the iconic finger snaps.

[3] He also composed music for the movies The Missouri Traveler (1958), Thunder Road (1958), The Giant Gila Monster (1959) and Kona Coast (1968), as well as The Deputy, a 1959–1961 western television series starring Henry Fonda, and the television series The Investigators (1961), Don't Call Me Charlie!