This article reports 14 species of Crambidae for the first time in South Korea: Paracymoriza distinctalis (Leech, 1889) (Acentropinae), Pseudocatharylla duplicellus (Hampson, 1896) (Crambinae), Psammotis orientalis Munroe Mutuura, 1968, Anania albeoverbascalis Yamanaka, 1966, Anania stachydalis (Germar, 1821), and Ecpyrrhorrhoe rubiginalis (Hbner, 1796)(Pyraustinae), Scoparia iwasakii Sasaki, 1991 (Scoparinae), and Haritalodes basipunctalis (Bremer, 1864), Nagiella inferior (Hampson, 1899), Notarcha aurolinealis (Walker, 1859), Herpetogramma okamotoi Yamanaka, 1976, Glyphodes formosanus Shibuya, 1928, Mecyna fusei (Inoue, 1982), and Udea tritalis (Christoph, 1881)(Spilomelinae). Additionally, the diagnosis, distribution, pictures, and DNA barcode information of adults and male and female genitalia of these 14 crambid moth species are provided.