Sil Austin (September 17, 1929 – September 1, 2001) was an American jazz saxophonist. He had his biggest success in an overtly commercial rather than jazz vein, but he regarded Coleman Hawkins, Lester Young and Sonny Stitt as his major influences.
He was born Sylvester Austin in Dunnellon, Florida, United States, and taught himself to play as a 12-year-old. He won the Ted Mack Amateur Hour in St. Petersburg, Florida in 1945, playing "Danny Boy". His performance brought him a recording contract with Mercury Records, and he moved to New York, where he studied for a time at the Juilliard School of Music.
Austin played with Roy Eldridge briefly in 1949, and with Cootie Williams in 1951-52 and Tiny Bradshaw in 1952-54, before setting up his own successful touring group. He recorded over 30 albums for Mercury, and had a number of Top 40 hits with pop tunes like "Danny Boy" (his signature tune), "Slow Walk" and "My Mother's Eyes". "Slow Walk" peaked the highest at Number 17. Austin described the sound of his 1950s singles to author Wayne Jancik. "Exciting horn, honking horn, gutbucket horn is what kids wanted to hear, so I made sure I played more of that. They called it rock 'n' roll. And the records sold."