| Lapinjärvi | |
| Location: | Lapinjärvi |
| Coords: | 60.6292°N 26.1708°W |
| Type: | Lake |
| Pushpin Map: | Finland |
| Outflow: | River Loviisanjoki |
| Catchment: | Loviisanjoki |
| Basin Countries: | Finland |
| Area: | 5.16km2 |
| Depth: | 1.96m (06.43feet) |
| Max-Depth: | 2.61m (08.56feet) |
| Volume: | 0.0101km3 |
| Shore: | 11.49km (07.14miles) |
| Elevation: | 24.5m (80.4feet) |
| Frozen: | December–April |
| Islands: | none |
Lapinjärvi (Swedish: Lappträsket) is a rather small lake in the middle of the Lapinjärvi municipality in Uusimaa region, Finland.[1] There are 27 small lakes in Finland with the same name.[2]