Yeo Kian Chai (born 2 November 1943) is a Singaporean sprinter.
[2] In the 1969 SEAP Games, he competed in the same event and won a bronze medal.
[2] In 1970, Yeo competed in the men's 100 metres and the 200 meters at the British Commonwealth Games.
[2] In 1972, Yeo competed in the men's 100 and 200 metres at the 1972 Summer Olympics and did not qualify out of his heats.
[1] At the 1973 SEAP Games, Yeo won the silver medal for the men's 100 m.[2] At the 1975 SEAP Games, Yeo continued to win the silver medal for the men's 100 m and also the silver medal in the men's 4x100 m relay.