Gregory Brezina (born January 7, 1946) is an American former professional football player who was a linebacker for twelve seasons with the Atlanta Falcons of the National Football League (NFL). He made 12 interceptions and 14 fumble recoveries.
Brezina was raised in Louise, Texas and played college football for the Houston Cougars. He and his five brothers — as well as a nephew — all played football at the University of Houston, an NCAA Division I Record. His brother Bobby Brezina played for the Houston Oilers of the American Football League. His brother Butch (Mark) Brezina was also offered a contract by the Houston Oilers. Greg Brezina runs Christian Families Today, a non-profit organization in Newnan, Georgia.