Cairnbaan (Scottish Gaelic: An Càrn Bàn) is a village situated on the Crinan Canal, in Argyll and Bute, western Scotland.

Cairnbaan is about halfway between Ardrishaig on Loch Gilp at the canal's eastern end and Crinan on the Sound of Jura to the west.

[1] On the hill above the village there are cup and ring marks dating from the Iron Age.

[2] The Cairnbaan Hotel was built in about 1800 to cater for canal travellers.

[1] It has featured in the television series The Tales of Para Handy, based on the novels of Neil Munro.