The present paper briefly describes 14 subtropical to temperate lichen species new to South Korea. Among the genera Bacidia, Cresponea, Diploschistes, Fissurina, Fuscidea, Micarea, Mycoblastus, Phyllopsora, Sarcogyne, Scoliciosporum, and Toninia reported for the first time from South Korea, Fuscidea recensa var. arcuatula, Micarea elachista, Sarcogyne privigna, and Toninia cinereovirens also represent new records for East Asia, including China and Japan.