Jimmy Lewis (April 11, 1918 – 2000) was an American double bassist who worked with the Count Basie Orchestra and sextet in the 1950s and with Duke Ellington, Cootie Williams, Billie Holiday and Ivory Joe Hunter before moving to bass guitar during his time with King Curtis. He provided the basslines for the musical Hair. Lewis freelanced extensively and performed on many albums by soul and jazz musicians, including Horace Silver and the Modern Jazz Quartet up until the late 1980s. He died in 2000.