| Lake Paatari | |
| Coords: | 68.8583°N 26.55°W |
| Basin Countries: | Finland |
| Length: | 9km (06miles) |
| Area: | 20.5sqkm |
| Shore: | 47.1km (29.3miles) |
| Elevation: | 144.9m (475.4feet) |
| Pushpin Map: | Finland |
Lake Paatari is a lake in the Lapland region, Finland. It drains through the Juutuanjoki river into Lake Inari. Its main inflows are the rivers Lemmenjoki and Vaskojoki.