| Lake Chudzjavr | |
| Location: | Kola Peninsula, Murmansk Oblast |
| Coords: | 68.2°N 71°W |
| Pushpin Map: | Russia Murmansk Oblast#Russia |
| Outflow: | Chudzyok |
| Basin Countries: | Russia |
| Area: | 57.8km2 |
| Elevation: | 192m (630feet) |
Lake Chudzyavr (Russian: Чудзъявр) is a large freshwater lake on the Kola Peninsula in Murmansk Oblast, Russia. It has an area of 57.8km2. The river Chudzyok (left tributary of the Voronya) flows from the lake.
The name of the lake is of Kildin Sami origin.