Shim or Sim is a Korean surname. There are six Shim clans in Korea based in the regions of Cheongsong, Pungsan, Samcheok, Buyu, Uiryeong, and Jeonju. The biggest Shim clan is Cheongsong; they comprise about 85% of all those with the surname Shim. Fourteen percent of all Korean Shims are members of the Pungsan and Samcheok clans. As of 2000, there were 252,255 people with this surname in South Korea, less than 1% of the population.
