Fina or FINA may refer to:
- FINA, the original name of World Aquatics, the international governing body for aquatic sports
- Fina (architecture), a narrow public space immediately alongside buildings
- Fina, a main character in the Skies of Arcadia video game
- Fina, a nickname for Trenbolone, an anabolic steroid
- FINA, the North American Forum on Integration
- Petrofina, a Belgian petroleum company
- Saint Fina, a 13th-century saint
- "Fina" (song), a song by Bad Bunny from his 2023 album Nadie Sabe Lo Que Va a Pasar Mañana
- Fina Girard, Swiss politician and youth climate activist
- Fontes Inediti Numismaticae Antiquae, a project aiming at collecting, reading, studying, and publishing unprinted textual evidence related to ancient coins created before 1800
