Eþna (Ealdcrēcisc: Αἴτνη, Lǣden: Aetna) is Sicilie beorg sēo aflēoƿeþ mid sƿeflenan fȳre, and is Europan mæste sƿylce beorg. Oft abyrsteþ hēo and abrȳteþ manig būr.

Eþna is Italie mæst beorg ūtan Alpis.