Stephen Leonard Senteney III (August 7, 1955 – June 18, 1989) was a Major League Baseball pitcher who played briefly in 1982 with the Toronto Blue Jays. He batted and threw right-handed and had a 0–0 record, with a 4.91 ERA, in 11 games, in his one-year career. Following his single season with Toronto, the Blue Jays traded him to the New York Mets for Jorge Orta. Senteney was born in Indianapolis, Indiana. He served in the United States Marine Corps towards the end of the Vietnam War.