Mo Myeong-hui (born 4 March 1963) is a South Korean sprinter.

She competed in the women's 200 metres at the 1984 Summer Olympics.

[1] Mo was chosen for the South Korean national team as a first-year student at Inil Girls' High School,[a] and later attended Seoul National University.

She originally announced her retirement five years later in December 1983, but later chose to continue competing.

This biographical article relating to South Korean athletics is a stub.