In (Korean: 인) is an uncommon Korean family name and a Korean given name.
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Family name
As a family name, In may be written with one hanja, meaning "mark" or "seal" (印; 도장 인). It has two clans: Kyodong, which is an island in Incheon and Yonan, North Korea. The 2000 South Korean census found 20,635 people with this family name. In a study by the National Institute of the Korean Language based on 2007 application data for South Korean passports, it was found that 86.9% of people with this surname spelled it in Latin letters as In in their passports. Alternative spellings (the remaining 13.1%) included Yin and Ihn.
People with this family name include:
In Jae-keun (born 1953), South Korean democracy activist
Ihn Yo-han (born John Linton, 1959), American-South Korean physician and politician
In Chang-soo (born 1972), South Korean-Argentinian footballer and coach
In Gyo-jin (born 1980), South Korean actor
In Joon-yeon (born 1991), South Korean footballer
In Kyo-don (born 1992), South Korean taekwondo practitioner
Inn Hyo-ri (born 2000), South Korean singer, member of girl group Mimiirose
Given name
People with the given name In include:
Song In (died 1126), Goryeo dynasty male civil official
Hwangbo In (died 1453), Joseon dynasty male civil official
Kim In (1943–2021), South Korean male Go player
Lee In (volleyball) (born 1952), South Korean male volleyball player
Lee In (actor) (born 1984), South Korean male actor
Cui Ren (Korean name Choe In, born 1989), Chinese football player of Korean descent



