| Nonne | |
| Mouth Location: | Tollensesee |
| Mouth Coordinates: | 53.4708°N 13.1756°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | Germany |
| Subdivision Type2: | States |
| Subdivision Name2: | Mecklenburg-Vorpommern |
The Nonnenbach is a small river of Mecklenburg-Vorpommern, Germany. It flows through the Wanzkaer See and it discharges into the Tollensesee, which is passed by the Tollense, near Groß Nemerow. Upstream of the Wanzkaer See, the Nonnnebach traditionally is called Werbender Mühlenbachor Werbender Mühlbach.