John Arthur "Chubby" Cox III (born December 29, 1955) is an American former professional basketball player.

He played college basketball for the Villanova Wildcats and San Francisco Dons.

A 6 ft 2 in (188 cm) guard, Cox attended Roxborough High School in Philadelphia.

However, Cox did not make an NBA roster until the 1982–83 season, when he played seven games for the Washington Bullets, scoring 29 total points.

[1] Cox married his girlfriend, and former University of San Francisco cheerleader, Victoria and together they have an American-Venezuelan son, John, who plays professional basketball in Venezuela, where he was born.