Geun (Korean: 근), also spelled Gun, Keun, or Kun, is a rare Korean family name, a Korean given name, and a historical Korean unit of measurement for weight.
As a family name, Geun is written with one hanja, meaning "axe" (斤; 도끼 근), also the name of the unit of weight sometimes called "catty" in English. It has one clan: Cheongju, Chungcheongbuk-do, in what is today South Korea. The 2000 South Korean census enumerated that there were 242 people with this family name.
People with the given name Geun include:
The actual weight of a geun (Korean: 근; Hanja: 斤) varies depending on context with ranges from 200 grams to 600 grams and a typical weight of 375 grams. These and further details can be found at Wikipedia's article concerning Korean units of measurement.