Swimming at the 2007 World Aquatics Championships – Women's 200 metre butterfly

The Women's 200m Butterfly at the 2007 World Aquatics Championships took place on 28 March (prelims & semifinals) and the evening of 29 March (finals) at the Rod Laver Arena in Melbourne, Australia. 57 swimmers were entered in the event, of which 54 swam.

Existing records at the start of the event were:
 * World Record (WR): 2:05.40, Jessicah Schipper (Australia), 17 August 2006 in Victoria, Canada.
 * Championship Record (CR): 2:05.61, Otylia Jędrzejczak (Poland), Montreal 2005 (28 July 2005)