| Oberbek | |
| Source1 Location: | Vilzsee |
| Mouth Location: | Rätzsee |
| Mouth Coordinates: | 53.2247°N 12.8669°W |
| Progression: | Drosedower Bek→ Dollbek→ Müritz-Havel-Wasserstraße→ |
| Subdivision Type1: | Country |
| Subdivision Name1: | Germany |
| Subdivision Type2: | States |
| Subdivision Name2: | Mecklenburg-Vorpommern |
Oberbek is a river of Mecklenburg-Vorpommern, Germany. It connects the Vilzsee with the Rätzsee.