| Nerkoonjärvi | |
| Pushpin Map: | Finland |
| Location: | Pirkanmaa |
| Coords: | 62.1503°N 23.2172°W |
| Inflow: | Myllyjoki |
| Outflow: | Hirvijoki |
| Catchment: | Kokemäenjoki |
| Basin Countries: | Finland |
| Area: | 15.163km2 |
| Depth: | 3.66m (12.01feet) |
| Max-Depth: | 16m (52feet) |
| Volume: | 0.0558km3 |
| Shore: | 63.03km (39.17miles) |
| Elevation: | 142.8m (468.5feet) |
| Frozen: | December-April |
| Cities: | Kihniö |
Nerkoonjärvi (Kihniö) is a medium-sized lake of Pirkanmaa region in Finland. It belongs to Kokemäenjoki main catchment area and it is situated on Kihniö municipality.[1]