Oh Jang-Eun (Korean: 오장은; born 24 July 1985) is a football player from South Korea.

He was selected to play for Asian Cup 2007, replacing Kim Nam-Il after his injury.

He moved to South Korean K-League side Daegu FC, where he would spend two seasons.

He then moved to Ulsan Hyundai Horang-i[2] in 2007, and contributed to the club's win in the 2007 K-League Cup.

He made a professional career first hat-trick in an away match against Jeonbuk Hyundai Motors on 23 September 2006.