James Richard Katcavage (October 28, 1934 – February 22, 1995) was an American football defensive tackle in the National Football League who played thirteen seasons for the New York Giants. From 1952 until 1956, Katcavage played college football at the University of Dayton and was drafted in the fourth round of the 1956 NFL Draft. Although quarterback sacks did not become an official NFL statistic until 1982, Katcavage is unofficially credited with a career total of 96½ sacks, placing him third on the Giants unofficial list.