| Kilmez | |
| Subdivision Type1: | Country |
| Subdivision Name1: | Russia |
| Length: | 270km (170miles) |
| Mouth: | Vyatka |
| Mouth Coordinates: | 56.9556°N 50.4683°W |
| Basin Size: | 17200km2 |
The Kilmez (Russian: Кильмезь; Udmurt: Калмез) is a river in Udmurtia and Kirov Oblast in Russia, a left tributary of the Vyatka. The river is 270km (170miles) long, and the area of its drainage basin is 17200km2.[1] The Kilmez freezes up in November and remains icebound until the second half of April. Its main tributaries are the rivers Lumpun, Loban, and Vala.