Ralph Gary "Rocky" Thompson (born November 8, 1947) is a former American football player for the New York Giants in the National Football League. Thompson, a running back/wide receiver, played college football at Hartnell College and West Texas State, where he was the roommate of future Dallas Cowboys star Duane Thomas. Thompson was a world-class sprinter who won the AAA Championships 100 metres in 1970 with a time of 10.1 seconds, and representing Bermuda, he reached the final of the 100 metres at the 1970 British Commonwealth Games, finishing sixth.