| Coordinates: | 54.0667°N 42°W |
| Image Plan: | Gnewitz_in_LRO.svg |
| State: | Mecklenburg-Vorpommern |
| District: | Rostock |
| Amt: | Tessin |
| Elevation: | 38 |
| Area: | 10.09 |
| Postal Code: | 18195 |
| Area Code: | 038228 |
| Licence: | LRO |
| Gemeindeschlüssel: | 13 0 72 034 |
| Website: | Amt Tessin |
| Mayor: | Frank Barnick |
Gnewitz is a municipality in the Rostock district, in Mecklenburg-Vorpommern, Germany. It is located 30 kilometres east of Rostock.