Two specimens of Chelon macrolepis were collected from southern coastal waters of Jeju Island and Busan in February 2007 and October 2010, and it, herein, described as an unrecorded species from Korea. Chelon macrolepis is characterized by posterior tip of maxilla exposed when mouth closed, having 31~32 lateral line scales, and 23~24 vertebrae. The new Korean name is proposed as "Keun-bi-neul-sung-eo" for Chelon macrolepis.