| Kemijärvi | |
| Image Bathymetry: | Kemijärvi (Kemi träsk).png |
| Location: | Kemijärvi, Lapland |
| Coords: | 66.6333°N 61°W |
| Inflow: | Kemijoki |
| Outflow: | Kemijoki |
| Basin Countries: | Finland |
| Pushpin Map: | Finland Lapland |
| Area: | 230.91km2 |
| Elevation: | 148.8m (488.2feet) |
| Cities: | Kemijärvi |
| Reference: | [1] |
Kemijärvi (Swedish: Kemi träsk) is a lake in the town of Kemijärvi, northern Finland.