Lemnos, sometimes spelled Limnos (Greek: Θ/Κ Λήμνος), was a 13,000 ton originally built by the United States Navy in 1904–1908. As Idaho, she was purchased by the Greek Navy in 1914 and renamed "Lemnos", along with her sister , renamed "Kilkis". "Lemnos" was named for the Battle of Lemnos, a crucial engagement of the First Balkan War. Armed with a main battery of four guns, "Lemnos" and her sister were the most powerful vessels in the Greek fleet.