Luing is one of the Slate Islands, Firth of Lorn, in the west of Argyll in Scotland, about 16 miles (26 km) south of Oban. The island has an area of 1,430 hectares and is bounded by several small skerries and islets. It has a population of around 200 people, mostly living in Cullipool, Toberonochy, and Blackmillbay.

The Slate Islands are an island group in the Inner Hebrides, lying immediately off the west coast of Scotland, north of Jura and southwest of Oban. The main islands are Seil, Easdale, Luing, Shuna, Torsa and Belnahua. Scarba and Kerrera, which lie nearby are not usually included.