Terrance O'Neil Knighton (born July 4, 1986) is a former American football defensive tackle. He was drafted by the Jacksonville Jaguars in the third round of the 2009 NFL Draft after playing college football at Temple. Knighton is nicknamed "Pot Roast" and "Mutton Chop" by his teammates. He has also played for the Denver Broncos, Washington Redskins and spent time with the New England Patriots prior to the 2016 NFL season. Knighton is currently a defensive assistant coach at Wagner College in Staten Island, NY.
Knighton attended Windsor High School in Connecticut, where he played both tight end and defensive line, and was teammates with Chris Baker. He earned All-State honors from the coaches association and Hartford Courant All-Area accolades in 2003. He was also a basketball varsity member, earning All-CCC West League honors.
In 2004, he attended Milford Academy in New Berlin, New York, where he again played on both sides of the ball. He made 70 tackles and six sacks in 2004.