| Surnujärvi | |
| Pushpin Map: | Finland Lapland |
| Location: | Inari |
| Coords: | 69.3833°N 33°W |
| Type: | Lake |
| Catchment: | Paatsjoki |
| Basin Countries: | Finland |
| Area: | 14.436km2 |
| Shore: | 78.35km (48.68miles) |
| Elevation: | 160.2m (525.6feet) |
| Frozen: | November–May |
Surnujärvi is a medium-sized lake in the Paatsjoki main catchment area. It is located in the region Lapland in Finland.[1] Almost the whole lake is situated in Vätsäri Wilderness Area.