Kim Ki-soo (Korean: 김기수; Hanja: 金基洙; RR: Gim Gi-su; MR: Kim Kisu; September 17, 1939 – June 10, 1997) was a South Korean former professional boxer who competed from 1961 to 1969.

He was South Korea's first world boxing champion, having held the undisputed WBA and WBC super-welterweight titles from 1966 to 1968.

[1] Kim graduated from Kyung Hee University's College of Physical Education.

[1] He competed in boxing at the 1958 Asian Games in Tokyo, where he earned the gold medal of the welterweight division by defeating Soren Pirjanian of Iran, on points, in the final.

[3] Kim turned professional in 1961 and captured the WBC, WBA and Lineal light middleweight title when he upset Nino Benvenuti by split decision in 1966.