| Tremestieri Etneo | |
| Official Name: | Comune di Tremestieri Etneo |
| Coordinates: | 37.5833°N 20°W |
| Region: | Sicily |
| Metropolitan City: | Catania (CT) |
| Frazioni: | Canalicchio |
| Mayor Party: | Civic List |
| Mayor: | Santi Rando |
| Area Total Km2: | 6.52 |
| Population Total: | 20386 |
| Population As Of: | 31 October 2017[1] |
| Population Demonym: | Tremestieresi |
| Telephone: | 095 |
| Elevation M: | 400 |
| Postalcode: | 95030 |
| Postal Code: | 95030 |
| Area Code: | 095 |
Tremestieri Etneo (scn|'''Trimmisteri''') is a comune (municipality) in the Metropolitan City of Catania in the Italian region Sicily, located about 160km (100miles) southeast of Palermo and about 8km (05miles) north of Catania.
Tremestieri Etneo borders the following municipalities: Catania, Gravina di Catania, Mascalucia, Pedara, San Giovanni la Punta, San Gregorio di Catania, Sant'Agata li Battiati.