| Ilim | |
|---|---|
  Mouth location in Irkutsk Oblast, Russia | |
| Location | |
| Country | Russia |
| Physical characteristics | |
| Mouth | Angara |
• coordinates | 57°39′40″N 102°34′49″E / 57.66111°N 102.58028°E |
| Length | 589 km (366 mi) |
| Basin size | 30,300 km2 (11,700 sq mi) |
| Basin features | |
| Progression | Angara→ Yenisey→ Kara Sea |
The Ilim (Russian: Илим) is a river in Irkutsk Oblast in Russia, a right tributary of the Angara. It flows north between and parallel to the rivers Angara and Lena, and then swings west to join the Angara 40 kilometres (25 mi) south of Ust-Ilimsk.