Two ships of the Royal Navy have borne the name HMS Mona's Isle; they are named for the Isle of Man.
- HMS Mona's Isle (1915), a Manx paddle steamer purchased by the Royal Navy in the First World War
- HMS Mona's Isle (1939), a Manx packet requisitioned by the Royal Navy in the Second World War
Sources
editColledge, J. J.; Warlow, Ben (2006) [1969]. Ships of the Royal Navy: The Complete Record of all Fighting Ships of the Royal Navy (Rev. ed.). London: Chatham Publishing. ISBN 978-1-86176-281-8.