| Zarnow | |
| Mouth Location: | Warnow |
| Mouth Coordinates: | 54.0031°N 12.1244°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | Germany |
| Subdivision Type2: | State |
| Subdivision Name2: | Mecklenburg-Vorpommern |
Zarnow is a river of Mecklenburg-Vorpommern, Germany. It flows into the Warnow between Schwaan and Rostock.