Yun Gi-su (born June 19, 1967) is a South Korean sprint canoer who competed in the late 1980s. At the 1988 Summer Olympics in Seoul, paired with Byeon Sang-Su, he was eliminated in the repechages of the Kayak Doubles (K-2) 500 m event.

Yun Gi-su
Hangul
윤기수
Hanja
尹棋洙
Revised RomanizationYun Gisu
McCune–ReischauerYun Kisu
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