Aetnaeus (Greek: ) was an epithet given to several Greek and Roman gods and mythical beings connected with Mount Aetna, such as Zeus, of whom there was a statue on Mount Aetna, and to whom a festival was celebrated there, called Aetnaea, Hephaestus, who had his workshop in the mountain, and a temple near it, and the Cyclops.
This article incorporates text from a publication now in the public domain: Smith, William, ed. (1870). "Aetnaeus". Dictionary of Greek and Roman Biography and Mythology.