The 2003 Women's World Water Polo Championship was the sixth edition of the women's water polo tournament at the World Aquatics Championships, organised by the world governing body in aquatics, the FINA.

The tournament was held from 13 to 25 July 2003, and was incorporated into the 2003 World Aquatics Championships in Barcelona, Spain.

[1] Hungary, United States, Canada, Russia and Italy qualified for this event by finishing in the top five at the 2002 FINA World Cup in Perth, Australia.