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 may refer to:

• Fina, a character in the Skies of Arcadia video game

• FINA, the International Swimming Federation
• FINA, the North American Forum on Integration (Le Forum sur l'Intégration Nord-Américaine)
• Fina (architecture) in Mediterranean architecture is the 1-meter-wide public space alongside buildings.
• Trenbolone, an anabolic steroid