Matt O'Dwyer (born September 1, 1972) is a former American football player who played in the National Football League from 1995 to 2005. A 6-foot-4, 315-pound lineman out of Northwestern University, O'Dwyer played for the New York Jets (1995–1998), the Cincinnati Bengals (1999–2003), and the Tampa Bay Buccaneers (2004). He blocked on lines that produced a 1,000-yard rusher in seven of his 10 NFL seasons (Adrian Murrell 1996–1997, Curtis Martin 1998 and Corey Dillon 1999–2002). He also helped Dillon to break Walter Payton's single-game NFL record, a 278-yard performance vs. Denver, October 22, 2000 (since surpassed by Jamal Lewis in 2003 and Adrian Peterson in 2007).