Jeong Gi-seon (born 25 April 1937) is a South Korean sprinter. He competed in the men's 100 metres at the 1964 Summer Olympics.

Jeong held the last South Korean record in the 100 m before the advent of fully automatic timing, running 10.3 seconds at Hyochang Stadium in 1968. He was noted for his short stature at only tall.

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