Seo Jae-pil, better known by his English name Philip Jaisohn, was a Korean American politician, physician, and Korean independence activist. He was the first Korean to become a naturalized citizen of the United States. He also founded the Tongnip Sinmun, the first Korean newspaper written entirely in Hangul.

Korean Americans are Americans who are of full or partial Korean ethnic descent. The majority of Korean Americans trace their ancestry to South Korea.