The genus Stenotothorax is reported for the first time in the Korean Peninsula. While working on Korean Aphodiinae, we identified Stenotothorax hibernalis (Nakane & Tsukamoto) from the Goseong-gun, Gangwon Province. This species was found in the northern region of South Korea. A key to Aphodiini genera in Korea, habitus photographs, and illustrations of diagnostic characters are provided to facilitate identification.