| Ahle | |
| Image Alt: | Ahlequelle |
| Pushpin Map: | Germany |
| Pushpin Map Caption: | Location of mouth |
| Mouth Location: | Near Uslar into the Schwülme |
| Mouth Coordinates: | 51.6194°N 9.6514°W |
| Progression: | Schwülme→ |
| Subdivision Type1: | Country |
| Subdivision Name1: | Germany |
| Subdivision Type2: | Location |
| Subdivision Name2: | Lower Saxony |
| Length: | 24.7km (15.3miles) |
| Source1 Elevation: | In the Solling |
Ahle is a 24.7km (15.3miles), orographically left-hand, tributary of the Schwülme river of Lower Saxony, Germany. It flows into the Schwülme south of Uslar.