Pearson Lake is a lake in the Moira River and Lake Ontario drainage basins in Addington Highlands, Lennox and Addington County, Ontario, Canada.

The lake is about 10 kilometres (6 mi) northwest of the community of Cloyne and is within Bon Echo Provincial Park.

Pearson Lake is about 2.4 kilometres (1.5 mi) long and 0.4 kilometres (0.2 mi) wide and lies at an elevation of 315 metres (1,033 ft).

The Skootamatta River flows via the Moira River into the Bay of Quinte on Lake Ontario at Belleville.

This Eastern Ontario geographical article is a stub.