U.S. Open
The term U.S. Open is applied to open (as in anybody, amateur or professional, American or non-Americans can compete) United States national championships in a particular sport. The most prominent ones are:
- U.S. Open (tennis), fourth event of the Grand Slam tournaments
- U.S. Open (golf), golf tournament of the United States Golf Association
- U.S. Women's Open (golf), golf tournament of the LPGA
- U.S. Open (squash)
- U.S. Open (pool)
- U.S. Open (badminton)
- U.S. Open (bowling)
