Luing (/ˈlɪŋ/ LING; Scottish Gaelic: Luinn) is one of the Slate Islands, Firth of Lorn, in the west of Argyll in Scotland, about 16 miles (26 km) south of Oban.

Raised marine deposits of sand and gravel occur widely around the margins of the island, a legacy of late Quaternary changes in relative sea-level.

[7][8] A regular ferry service crosses the 200-metre-wide (660-foot) Cuan Sound which separates Luing from the neighbouring island of Seil, which is in turn connected by bridge to the mainland.

For such a small island, Luing has produced numerous mòd gold medallists: Nan MacInnes (1926, in Oban), Sandy Brown (1938, in Glasgow) and Hughie MacQueen (1985, in Lochaber).

However, when Edgar of Scotland signed a treaty with Magnus Barefoot in 1098, formally acknowledged the existing situation by giving up Scottish claims to the Hebrides and Kintyre, Luing and Lismore were retained by the Scots.