Scott Joseph Winchester (born April 20, 1973) is an American former professional baseball player.

A pitcher, Winchester played all or parts of four seasons in Major League Baseball (MLB) for the Cincinnati Reds between 1997 and 2001.

He was traded to the Reds in midseason, and continued to move up the ladder, reaching the majors in September.

He played the entire season in the minors, starting with the Ottawa Lynx and moving on to the Syracuse SkyChiefs in the Toronto Blue Jays organization.

He last played professional baseball in 2003 with the Las Vegas 51s in the Los Angeles Dodgers system.