Mosquito Lake was a Canadian television sitcom, which aired on CBC Television in the 1989–90 television season. The show, a family sitcom, starred comedian Mike MacDonald as Bob Harrison, the father of a family spending the summer in a dilapidated cottage on Mosquito Lake.

The cast also included Mary Long as Bob's wife Rita; Tara Charendoff and Bradley Machry as their kids Tara and Brian; Dan Redican as George, Bob's friend from the neighbouring cottage; and Maria Vacratsis as Ramona, the owner of the lake's marina. The show was created by Paul K. Willis.