Sean Christopher Haire was an American professional wrestler, mixed martial artist and kickboxer, better known by his ring name, Sean O'Haire.

Haire was best known for his appearances with the professional wrestling promotions World Championship Wrestling, WWE on its SmackDown brand and New Japan Pro-Wrestling in the early to mid-2000s. A three time WCW World Tag Team Champion, O'Haire was named "Rookie of the Year" by the Wrestling Observer in 2000.

Upon retiring from professional wrestling in 2006, Haire competed in mixed martial arts and kickboxing before becoming a hair stylist.