2013 World Aquatics Championships

The 15th FINA World Championships (Catalan: Campionat Mundial de Natació de 2013, Spanish: Campeonato Mundial de Natación de 2013) were held from 20 July to 4 August in Barcelona, Catalonia, Spain. The 2013 World Championships featured 6 aquatics disciplines: swimming, water polo, diving, high diving, open water, and synchronised swimming.

The Championships were originally awarded to Dubai, United Arab Emirates, in July 2009; however, Dubai withdrew as host in May 2010. FINA then re-bid the meet, and Barcelona was selected on September 26, 2010.