Todd Arthur Walker (born May 25, 1973) is a former professional baseball infielder who played in Major League Baseball (MLB) from 1996 to 2007. Listed at 6 feet 0 inches (1.83 m) and 180 pounds (82 kg), he batted left-handed and threw right-handed. Walker played college baseball at Louisiana State University (LSU) and is an inductee of the National College Baseball Hall of Fame.