Swimming at the 2007 World Aquatics Championships – Women's 4 × 100 metre medley relay


The Women's 4 × 100 m Medley Relay at the 2007 World Aquatics Championships took place on 31 March 2007 at the Rod Laver Arena in Melbourne, Australia. The top-12 finishers from this race qualified for the event at the 2008 Olympics. 29 teams were entered in the event; all swam.
The existing records when the event started were:

Finals

Preliminaries