Christopher J. Greisen (born July 2, 1976) is an American football quarterback. He was drafted by the Arizona Cardinals in the seventh round of the 1999 NFL Draft. He played college football at Northwest Missouri State. He played high school football in Sturgeon Bay, Wisconsin. Greisen has also been a member of the Washington Redskins, Dallas Cowboys, Green Bay Blizzard, Dallas Desperados, Georgia Force, Milwaukee Iron, and Florida Tuskers (now named the Virginia Destroyers). He is the older brother of former NFL linebacker Nick Greisen.