Rare Korean Surnames Sobong (소봉) | 18 people. Eogeum (어금) | 51 people. Jeo (저) | 48 people. Hak (학) | 101 people. ... Ya 夜 (야) | 180 people. ... Janggok (장곡) | 52 people. ... Chun 椿 (춘) | 77 people. The word chun has the meaning of spring and seems to be more commonly used in Japan. ... Tan 彈 (탄) | 155 people. More items...