Grady O'Neal Jackson (born January 21, 1973 in Greensboro, Alabama) is an American football defensive tackle who most recently played for the Florida Tuskers of the United Football League. He was drafted by the Oakland Raiders in the sixth round of the 1997 NFL Draft. He played college football at Knoxville College. Jackson has also played for the New Orleans Saints, Green Bay Packers, Jacksonville Jaguars, Atlanta Falcons and Detroit Lions.