2003 ITF Men's Circuit

The 2003 ITF Men's Circuit was the 2003 edition of the third-tier tour for men's professional tennis. It was organised by the International Tennis Federation and is a tier below the ATP Challenger Tour. The ITF Men's Circuit included satellite events and 336 'Futures' tournaments played year round across six continents, with prize money ranging from $10,000 to $15,000.