Jamar Mondell Fletcher (born August 28, 1979) is a former American college and professional football player who was a cornerback in the National Football League (NFL) for eight seasons. He played college football for the University of Wisconsin, and was a two-time All-American. The Miami Dolphins chose him in the first round of the 2001 NFL Draft, and he also played professionally for the San Diego Chargers, Detroit Lions, Houston Texans and Cincinnati Bengals of the NFL.