Cuan may refer to:
Cuan, Seil, a village on the island of Seil, Scotland Cuan Sound, Scotland Angel Cuan (born 1989), Panamanian baseball player Cuan McCarthy (1929–2000), South African cricketer Cuan Mhuire, Irish rehabilitation organisation Cúán úa Lothcháin (died 1024), Irish poet St Cúan (died 752), Irish abbot St. Cuan's Well, Ireland St Mo Chua of Balla (died 637), also called Cuan