| Suuri-Pieksä | |
| Pushpin Map: | Finland |
| Location: | Juankoski |
| Coords: | 63.0776°N 27.9961°W |
| Type: | Lake |
| Outflow: | Pieksänjoki, Pieksänkoski |
| Catchment: | Vuoksi |
| Basin Countries: | Finland |
| Area: | 12.509km2 |
| Shore: | 43.12km (26.79miles) |
| Elevation: | 85.8m (281.5feet) |
| Frozen: | December–April |
| Islands: | Selkäsaari |
Suuri-Pieksä is a medium-sized lake of Finland. It belongs to the Vuoksi main catchment area. It is located in the Northern Savonia region and Juankoski municipality.[1]