| Medal record | ||
|---|---|---|
| Competitor for South Korea | ||
| Men's Fencing | ||
| World Championships | ||
| Bronze | 2007 St. Petersburg | Sabre |
| Asian Games | ||
| Gold | 2002 Busan | Team sabre |
| Silver | 2006 Doha | Sabre |
| Silver | 2006 Doha | Team sabre |
| Silver | 2010 Guangzhou | Team sabre |
| Bronze | 2010 Guangzhou | Sabre |
Oh Eun-Seok (Hangul: 오은석, Hanja: 吳恩錫) (born April 2, 1983) is a South Korean sabre fencer.
Oh won gold in team sabre and silver in individual sabre at the 2003 Junior World Fencing Championships in Trapani, Italy.
At the 2007 FIE World Championships he won the bronze medal in the men's individual sabre category after losing to four-time Olympic champion and ten-time world champion Stanislav Pozdniakov of Russia 12-15 in the semifinals.
Oh qualified for the 2008 Beijing Olympics for the individual sabre competition. On August 12, 2008, he won his first round 15-8 win against Dmitri Lapkes of Belarus, but ultimately had a 15-11 loss to eventual silver medalist Nicolas Lopez of France in the round of 16.