Lough Guitane (Irish: Loch Coiteáin)[1] is a freshwater lake in the southwest of Ireland.

It is located in County Kerry near the town of Killarney.

Lough Guitane measures about 2 km (1.2 mi) long and 1 km (0.6 mi) wide.

[2] Lough Guitane is the site and namesake of a volcanic complex of tuffs and rhyolites, of which the centres are at Bennaunmore, Horses Glen and Kileen.

[4] Fish species in Lough Guitane include brown trout, mainly of the freshwater variety with a smaller seasonal number of the sea variety.