| Lake Ponchozero | |
| Location: | Murmansk Oblast |
| Coords: | 66.8667°N 54°W |
| Pushpin Map: | Russia Murmansk Oblast#Russia |
| Inflow: | Umba River |
| Outflow: | Umba River |
| Basin Countries: | Russia |
| Length: | 10km (10miles) |
| Width: | 3km (02miles) |
| Elevation: | 45m (148feet) |
Ponchozero (ru|Пончозеро) is a lake on the Umba River in Murmansk Oblast, Russia. It is 10 km long and 3 km wide.
The lake is located 25 km north of the urban-type settlement of Umba on the White Sea, and about 10 km southeast of Lake Kanozero.