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

The Women's 200m Breaststroke at the 2007 World Aquatics Championships took place on 29 March (prelims & semifinals) and the evening of 30 March (finals) at the Rod Laver Arena in Melbourne, Australia. 55 swimmers were entered in the event, of which 54 swam.

Existing records at the start of the event were:
 * World Record (WR): 2:20.54, Leisel Jones (Australia), 1 February 2006 in Melbourne, Australia.
 * Championship Record (CR): 2:21.72, Leisel Jones (Australia), Montreal 2005 (29 July 2005)