The men's 200 metre butterfly at the 2007 World Aquatics Championships took place on 27 March (heats and semifinals) and on the evening of 28 March (final) at Rod Laver Arena in Melbourne, Australia.

64 swimmers were entered in the event, of which 62 swam.

Existing records at the start of the event were: The finals started at 19:23 on 28 March 2007 The semifinals started at 20:34 on 27 March 2007.

The 8 heats began at 10:27 on 27 March 2007.