Cheongju Sa clan () was one of the Korean clans. Their Bon-gwan was in Qingzhou, Shandong, China, known as Cheongju in Korean (). According to the research in 2000, the number of Cheongju Sa clan was 7486. Their founder was who was from Shandong and was a Gongsin () in Ming dynasty. He exiled himself to Goryeo in 1372 with his eldest brother Sa Jung because he was suspected that he could assist Ming Yuzhen’s rebellion.
See also Korean clan names of foreign origin
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