World Open may refer to:
- Carling World Open, a professional golf tournament held from 1953 until 1967
- Casio World Open, a professional golf tournament held in Japan since 1981
- Sarazen World Open, a professional golf tournament held from 1994 until 1999
- World Open Golf Championship, a professional golf tournament held from 1973 until 1982
- World Open (squash), a squash event which serves as the individual world championship for squash players
- World Open (snooker), a professional ranking snooker tournament
- World Open chess tournament, an annual open chess tournament played in the United States
- World Poker Open, one of the annual events on the World Poker Tour
- World Wide Open, the debut album of the American country music band Love and Theft
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