The aquatics events at the 2007 SEA Games included swimming, diving and water polo.

The events were held at the Aquatic Center, His Majesty the King's 80th Birthday Anniversary Stadium, Nakhon Ratchasima, Thailand.

*   Host nation (Thailand) The diving events at the 2007 Southeast Asian Games took place at the His Majesty The King's 80th Anniv.

Six teams were in competition in a round-robin format, with defending champion Singapore retaining its title which it has won 22 times consecutively since 1965, inclusive of the current games.

There was no participation from Brunei Darussalam, Cambodia, Laos, Myanmar and Timor Leste.