Puhtu
| Coast of Puhtu. | |
| Geography | |
|---|---|
| Coordinates | 58°34′N 23°33′E / 58.567°N 23.550°E | 
| Archipelago | West Estonian archipelago | 
| Adjacent to | Gulf of Riga | 
| Administration | |
| Estonia | |
| County | Lääne County | 
| Municipality | Lääneranna Parish | 
| Settlement | Virtsu small borough | 
Puhtu (also known as Puhtuaid) is a former islet and since the beginning of the 19th century a peninsula in western Estonia. Administratively it belongs to Virtsu small borough in Lääneranna Parish, Pärnu County.
Puhtu is covered by a speciose old broadleaf forest.