US Open
- Country: United States
- Type: Sports
- Website: usopen.com
- Update: 05-02
The U.S. Open Championship (United States Open Championship, U.S. Open, U.S. Open) is one of the four Grand Slam tournaments in golf, which began in 1895 and is hosted by the U.S. Golf Association and is held in mid-June each year.NBC and ESPN broadcast the U.S. Open live each year, and ESPN also broadcasts live on its official website, the U.S. Open. ESPN also broadcasts live through the U.S. Open's official website.