MV Loch Riddon (Scottish Gaelic: Loch Raodain) is a Caledonian Maritime Assets Limited ro-ro car ferry, built in 1986 and operated by Caledonian MacBrayne. After the first eleven years of her life in the Kyles of Bute, she served at Largs between 1997 and 2013. After a short spell as the Lismore vessel she returned to Largs in June 2014.