Mark Lee Simoneau (born January 16, 1977) is a former American college and professional football player who was a linebacker in the National Football League (NFL) for ten seasons. He played college football for Kansas State University and was recognized as an All-American. He was picked by the Atlanta Falcons in the third round of the 2000 NFL Draft, and played for the Falcons, Philadelphia Eagles, New Orleans Saints and Kansas City Chiefs of the NFL.