Sean Patrick Mulligan (born April 25, 1970) is an American former professional baseball player.

A catcher in the minor leagues, Mulligan played in two games as a pinch hitter for the San Diego Padres of Major League Baseball (MLB) in 1996.

He was famously traded away from San Diego in exchange for $50,000 and a treadmill.

Mulligan played college baseball at Illinois.

This biographical article relating to a United States baseball catcher born in the 1970s is a stub.