Gavia may refer to:
- Gavia, the genus to which the loon belongs
- Gavia Pass, in the Italian Alps
- Monte Gavia, a mountain of Lombardy, Italy
- La Gavia, Guanajuato, Mexico, a populated place
- USS Gavia (AM-363), a World War II U.S. Navy minesweeper
- Gavia, an Ancient Roman gens or family (see Gavius)
- La Gavia, a station on Line 1 (Madrid Metro)