| Tioga Lake | |
| Location: | South Orkney Islands |
| Coordinates: | -60.7°N -84°W |
| Pushpin Map: | South Orkney Islands |
| Pushpin Map Alt: | Location of the lake in the South Orkney Islands. |
Tioga Lake (-60.7°N -84°W) is a small lake in the South Orkney Islands. It lies north-northeast of Port Jebsen and northwest of Tioga Hill, from which it takes its name, on Signy Island. Named by the United Kingdom Antarctic Place-Names Committee (UK-APC) in 1981.