Leroy Vinnegar was an American jazz bassist, known for his mastery of walking bass.

He recorded extensively as both a leader and sideman. He came to public attention in the 1950s as a result of recording with André Previn, Stan Getz, Shorty Rogers , Chet Baker, Shelly Manne, and Serge Chaloff. He played bass on Previn and Manne's My Fair Lady album, one of the most successful jazz records ever produced. He also performed on another of jazz's biggest hit albums, Eddie Harris and Les McCann 's Swiss Movement, released in 1969.