| Bega | |
| Mouth Location: | Werre |
| Mouth Coordinates: | 52.0775°N 8.7403°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | Germany |
| Subdivision Type2: | State |
| Subdivision Name2: | North Rhine-Westphalia |
| Length: | 42.9km (26.7miles) |
| Basin Size: | 377km2 |
Bega is a river of North Rhine-Westphalia, Germany. It is a right tributary of the Werre, which it joins in Bad Salzuflen.