2015 U.S. Open

2015 U.S. Open may refer to:


 * 2015 U.S. Open (golf), a major golf tournament
 * 2015 US Open (tennis), a grand slam tennis event
 * 2015 U.S. Open Grand Prix Gold, badminton tournament
 * 2015 Lamar Hunt U.S. Open Cup, a soccer tournament for U.S. teams