Thomas Raymond Quinlan (born March 27, 1968) is an American former third baseman in Major League Baseball.

Quinlan spent parts of four seasons in the major leagues with the Toronto Blue Jays, Philadelphia Phillies and Minnesota Twins.

He is the older brother of Robb Quinlan, also a former Major League Baseball player.

Quinlan had committed to play both college baseball and college hockey for the Minnesota Golden Gophers and had enrolled at the school and started practicing with both teams before ultimately signing with the Blue Jays before classes began.

[2] Tom and Robb Quinlan were part of the ownership group for the St. Croix River Hounds, a collegiate summer baseball team intended to play at Hudson, Wisconsin in the Northwoods League.