| Kalle | |
| Source1 Coordinates: | 52.0717°N 9.0375°W |
| Mouth Location: | Weser |
| Mouth Coordinates: | 52.1667°N 8.9052°W |
| Subdivision Type1: | Country |
| Length: | 19.6km (12.2miles) |
Kalle (in its upper course: Osterkalle) is a river of North Rhine-Westphalia, Germany. It flows into the Weser in Kalldorf.