Loch Killin is a small freshwater loch in the Monadhliath Mountains, in Highland, Scotland, United Kingdom.

[1] The nearest settlement is Whitebridge, which is approximately 5 miles (8.0 km) to the north-west of the loch and which features a Jacobite era bridge built by George Wade in 1732.

[2] This includes the neighbouring hamlet and abandoned former township of Easter Drummond.

[3] The Loch is part of a wider hydroelectricity scheme at Garrogie.

[1] The waters of Loch Killin are home to the Haddy charr (Salvelinus killinensis), a species of char named after this loch.