| Ummanz | |
| Image Coa: | Wappen Ummanz.svg |
| Coordinates: | 54.4667°N 24°W |
| Image Plan: | Ummanz_in_VR.svg |
| State: | Mecklenburg-Vorpommern |
| District: | Vorpommern-Rügen |
| Amt: | West-Rügen |
| Elevation: | 1-12 |
| Area: | 41.83 |
| Postal Code: | 18569 |
| Area Code: | 038305 |
| Licence: | RÜG |
| Gemeindeschlüssel: | 13 0 73 095 |
| Mayor: | Ernst-August Lange |
Ummanz is a municipality in the Vorpommern-Rügen district, in Mecklenburg-Vorpommern, Germany.