Swimming at the 2007 World Aquatics Championships – Women's 50 metre freestyle

The Women's 50m Freestyle at the 2007 World Aquatics Championships took place on 31 March (prelims & semifinals) and 1 April (finals) at Rod Laver Arena in Melbourne, Australia. A total of 143 swimmers were entered in the event; 138 swam the event.

The existing records at the start of the competition were: