Fédération Internationale de Natation (FINA) is the International Federation (IF) recognized by the International Olympic Committee (IOC) for administering international competition in the aquatic sports (its name translated from French is "International Swimming Federation"). It is one of several IFs which administers a given sport/discipline for the IOC and/or international community. It is based in Lausanne, Switzerland.

FINA currently oversees competition in five aquatic sports: swimming, diving, synchronized swimming, water polo and open water swimming.