| Hiirenvesi | |
| Pushpin Map: | Finland |
| Coords: | 62.8167°N 43°W |
| Type: | Lake |
| Catchment: | Vuoksi |
| Basin Countries: | Finland |
| Area: | 12.983km2 |
| Depth: | 3.58m (11.75feet) |
| Max-Depth: | 30.97m (101.61feet) |
| Volume: | 0.0464km3 |
| Shore: | 63.16km (39.25miles) |
| Elevation: | 93.5m (306.8feet) |
| Frozen: | December–April |
| Islands: | Häihänsaaret, Putaansaari, Suurisaari |
| Cities: | Eno, Finland |
Hiirenvesi is a medium-sized lake of eastern Finland. It is located in the Joensuu in the North Karelia region. The lake is part of Vuoksi basin in eastern Finland, that drains into the Lake Ladoga, which in turn is part of the Neva River basin in Russia.[1]