Samuel Carthorne Rivers (born September 25, 1923, in El Reno, Oklahoma) is an American jazz musician and composer. He performs on soprano and tenor saxophones, bass clarinet, flute, harmonica and piano.

Sam Rivers (born Samuel Robert Rivers, September 21, 1977, Jacksonville, Florida) is the bassist and one of the founding members of the band, Limp Bizkit.

He is the cousin of the band's drummer, John Otto. Rivers originally was endorsed by Ibanez, and one of his basses was a customized BTB 5-string, but currently uses custom made Warwick basses, with light-emitting diodes in the fretboard.

There are two people using this name: 1. Sam Rivers (born September 25, 1923, El Reno, Oklahoma) is a jazz musician and composer best known for his contributions to free jazz and experimental jazz music. Rivers has contributed to over 50 years of accomplishments in jazz; he discovered a 13-year-old drummer named Tony Williams in 1959; he led a Boston-based quartet featuring Williams, Henry Grimes, and Hal Galper in the early ’60s; he toured Japan with Miles Davis in 1964; he recorded five land