Kirk Matthew Bullinger (born October 28, 1969) is an American former professional baseball middle relief pitcher, who played in Major League Baseball (MLB) for the Montreal Expos (1998), Boston Red Sox (1999), Philadelphia Phillies (2000), and Houston Astros (2003-2004). Bullinger threw and batted right-handed. He is the brother of former big league pitcher Jim Bullinger. In a four-season career, Bullinger posted a 2-0 record with a 6.53 ERA and one save in 49 games pitched.