Yun Mi-jin (Korean: 윤미진; born April 30, 1983) is an archer from South Korea who has won three Olympic gold medals and is a former world number one.
In round 16, she broke the Olympic record in women's 18-arrow match in defeat of Alison Williamson of Great Britain 173 to 164.
In the quarterfinals, Yun defeated Natalia Bolotova of Russia 110-105 in a 12-arrow match, and in the semi-finals the eventual bronze-medalist and compatriot Kim Soo-nyung 107-105.
In that round, she faced 35th-ranked Japanese archer Sayami Matsushita, defeating 173-149 and tying her own Olympic record for score in an 18-arrow match.
In the quarterfinals, Yun faced Yuan Shu-chi of Chinese Taipei, losing to the 6th-ranked archer to end the Korean team's hopes of sweeping the medals.