Sebastiano Buzzin (December 24, 1929 in Cormons – December 17, 2007 in Locarno, Switzerland) was an Italian professional football player and coach.
In 1964, he served as a player-coach for Montreal Cantalia in the National Soccer League. The following season he was the head coach for Montreal Italica in the Eastern Canada Professional Soccer League.
On June 15, 1971 he was named the head coach for the Montreal Olympique in the North American Soccer League.