Clayton Iona "Clay" Stanley (born January 20, 1978) is an American former volleyball player, who was a member of United States men's national volleyball team, a participant of the Olympic Games (Athens 2004, Beijing 2008, London 2012), Olympic Champion 2008, NORCECA Champion 2005, and multimedalist of the World League.

In October 2021, he was inducted into the International Volleyball Hall of Fame, along with Logan Tom and Todd Rogers.

[1] With Stanley's first Olympic appearance in Athens, Greece, he and his father became the first father-son Olympians in U.S. volleyball history.

[5] Playing at the 2004 Summer Olympics, Stanley led the team and finished fifth overall in scoring with 110 points on 83 kills, 17 aces and 10 blocks.

At the 2008 Summer Olympics in Beijing, China, Stanley helped Team USA to its first gold medal in 20 years.

[1] With the professional club Iraklis Thessaloniki, he won the silver medal at the 2004–05 CEV Champions League and was awarded "Best Scorer" and "Best Server".