The list of marine molluscs of Ireland is a list of marine species that form a part of the molluscan fauna of Ireland.
Their habitats include littoral, mesopelagic, pelagic, oceanic zone, benthic, deep ocean water and deep sea.
There were recorded at least 2 species of solenogastres in Ireland.
Family Chaetodermatidae There were recorded at least 13 species of polyplacophorans in Ireland.
Family Dentaliidae There were recorded at least 5 species of cephalopods in Ireland.