| JoJo Lake | |
| Pushpin Map: | Ontario |
| Location: | Thunder Bay District, Ontario |
| Coords: | 50.3006°N -88.8714°W |
| Inflow: | Whitesand River |
| Outflow: | Whitesand River |
| Basin Countries: | Canada |
| Length: | 4.6km (02.9miles) |
| Width: | 0.4km (00.2miles) |
| Elevation: | 304m (997feet) |
JoJo Lake is a lake in Thunder Bay District, Ontario, Canada. The primary inflow and outflow is the Whitesand River. The lake is about 4600m (15,100feet) long and 400m (1,300feet) wide, and lies at an elevation of 304m (997feet). The Canadian National Railway transcontinental line crosses the Whitesand River at the south end of the lake at a point just east of Armstrong Airport and about 11.5km (07.1miles) east of the community of Armstrong, Thunder Bay District, Ontario.