| Image Coa: | Wappen_Altefaehr.png |
| Coordinates: | 54.33°N 13.1264°W |
| Image Plan: | Altefähr in VR.svg |
| State: | Mecklenburg-Vorpommern |
| District: | Vorpommern-Rügen |
| Amt: | West-Rügen |
| Elevation: | 3 |
| Area: | 20.59 |
| Postal Code: | 18573 |
| Area Code: | 038306 |
| Licence: | RÜG |
| Gemeindeschlüssel: | 13 0 73 003 |
| Mayor: | Ingulf Donig |
Altefähr is a municipality in the Vorpommern-Rügen district, in Mecklenburg-Vorpommern, Germany.