Herein, 20 species of the ground beetles are reported from Jejudo. Of these, 5 species, Agonum mandli $Jedli{check{c}}ka$, 1933, Agonum subfuliginosum Habu, 1978, Cymindis kuznevowi Sundukov, 2001, Dicheirotrichus punctatellus (Reitter, 1894), and Harpalus rubripes(Duftschmid. 1812) are listed for the first time from the Korean Peninsula.