| Ilet | |
| Subdivision Type1: | Country |
| Length: | 204km (127miles) |
| Mouth Elevation: | 53m (174feet) |
| Discharge1 Avg: | 1180m3/s (near mouth) |
| Basin Size: | 6450km2 |
Ilet (Mari: Элнет; Russian: Илеть; Tatar: Илләт) is a river in Mari El, Russia. It is long, and has a drainage basin of .[1] Major tributaries are the Ashit, Yushut, Voncha and Petyalka. Minimum mineralization is 1000–1400 mg/L. Tourism and rafting are popular.