FINA or Fédération internationale de natation (English: International Swimming Federation) is the international federation recognized by the International Olympic Committee (IOC) for administering international competition in Aquatics. It is one of several international federations which administer 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