Matthew Marshall Dunbar (born October 15, 1968) is a former professional baseball pitcher, playing in one season of Major League Baseball (MLB) for the Florida Marlins. A native of Tallahassee, Florida, Dunbar attended Dunedin High School and Florida State University. In 1989, he played collegiate summer baseball with the Chatham A's of the Cape Cod Baseball League. He was drafted by the New York Yankees in the 25th round of the 1990 amateur draft. Dunbar played his first professional season with the Class A (Short Season) Oneonta Yankees in 1990. He made his major league debut with the Marlins in 1995, and appeared in eight games for the team that season. His final professional season was spent with the Pittsburgh Pirates' Double-A Altoona Curve and Triple-A Nashville Sounds in 1999.