U.S. Open
U.S. Open stands for:
- U.S. Open, one of the four Grand Slam tournaments in tennis
- U.S. Open (golf), one of the four major golf tournaments
- Lamar Hunt U.S. Open Cup, an American football cup competition
- U.S. Open (9- Ball), a snooker tournament
- U.S. Open (badminton ), a championship tournament in badminton
- U.S. Open ISKA World Martial Arts Championship, an international martial arts tournament
- U.S. Open ( squash), squash tournament
- Disambiguation