Oh Se-jong (Korean: 오세종; Hanja: 呉世種; 9 October 1982 – 27 June 2016) was a South Korean short track speed skater who won gold in the 5000 m relay at the 2006 Winter Olympics in Turin.

He also competed in 5000 m relay at the 2002 Winter Olympics in Salt Lake City.

He died in a traffic accident on 27 June 2016 in Seoul, South Korea.

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