Several ships of the Italian Navy have been named Etna, after Mount Etna in Sicily:
, a screw corvette built in the 1860s Italian cruiser Etna, the lead ship of a class of 1880s protected cruisers Italian cruiser Etna, an Etna-class cruiser originally ordered for the Thai Navy and subsequently requisitioned for service by the Italian Navy on the outbreak of World War II Italian ship Etna (A 5328), originally cargo ship USS Whitley (AKA-91), transferred to Italy in 1962 Italian ship Etna (A 5326), a replenishment ship that entered service in 1998
See also , British ships Etna-class corvette, Napoleonic corvettes of France