Czech Open is a name given to many sports events in the Czech Republic, including:
Czech International, a badminton tournament now known as the Czech Open Czech Open (darts), a BDO sanctioned darts tournament Czech Open (floorball), a floorball tournament Czech Open (golf), a European Tour golf tournament Czech Open (tennis), an ATP Challenger Tour tennis tournament Prague Open (1987–1999), an ATP Challenger Tour tennis tournament I.ČLTK Prague Open, an ATP Challenger Tour and WTA International Tournaments tennis tournament