Won Woo-young (Hangul: 원우영; Korean pronunciation: [wʌn.u.jʌŋ]; born 3 February 1982) is a South Korean sabre fencer.
He won the bronze medal at the sabre 2006 World Fencing Championships, after losing 15-10 to Zsolt Nemcsik in the semi-final. At the sabre 2010 World Fencing Championships, he won the gold medal, beating Nicolas Limbach 15 – 9 in the final.
He competed as part of the South Korean team at the 2012 Summer Olympics in the men's team sabre, where he won a gold medal. In the men's individual event he lost in the last 16 to Nikolay Kovalev, the eventual bronze medallist.
- 2010 World Fencing Championships, sabre
- 2006 World Fencing Championships, sabre
- 2012 Summer Olympics, Team sabre