| Ilme | |
| Subdivision Type1: | Country |
| Subdivision Name1: | Germany |
| Subdivision Type2: | State |
| Subdivision Name2: | Lower Saxony |
| Length: | 33km (21miles) |
| Source1 Location: | In the Solling, by the L 548 between Uslar and Dassel |
| Mouth Location: | East of Einbeck into the Leine |
| Basin Size: | 393km2 |
| Tributaries Right: | Wolfsbach, Hülsebach, Lummerke, Riepenbach, Dieße, Rotte, Rebbe |
| Tributaries Left: | Abbecker Bach, Repkebach, Schlingenbach, Spüligbach, Bewer, Krummes Wasser |
| Custom Label: | References |
The Ilme is a left-bank, western tributary of the River Leine in Lower Saxony, Germany. It is long.
The river begins at the pond in the centre of the Solling hills at an elevation of and flows initially northwards to Dassel, then in an easterly direction through (a district of Dassel) to Einbeck, after which it discharges into the Leine near Volksen at an elevation of .