| Oh Chang-hyun | |
| Birth Date: | 4 May 1989 |
| Birth Place: | South Korea |
| Position: | Defender |
| Currentclub: | Daejeon Citizen |
| Clubnumber: | 22 |
| Youthyears1: | 2005–2007 |
| Youthclubs1: | Kwacheon High School |
| Youthyears2: | 2008–2011 |
| Youthclubs2: | Kwangwoon University |
| Years1: | 2012–2014 |
| Clubs1: | Avispa Fukuoka |
| Caps1: | 21 |
| Goals1: | 0 |
| Years2: | 2013 |
| Clubs2: | → V-Varen Nagasaki (loan) |
| Caps2: | 2 |
| Goals2: | 0 |
| Years3: | 2015 |
| Clubs3: | Seoul E-Land |
| Caps3: | 3 |
| Goals3: | 0 |
| Years4: | 2016– |
| Clubs4: | Daejeon Citizen |
| Caps4: | 27 |
| Goals4: | 0 |
| Nationalyears1: | 2008–2009 |
| Nationalteam1: | South Korea U20 |
| Pcupdate: | 28 November 2016 |
| Hangul: | 오창현 |
| Hanja: | 吳昌炫 |
| Rr: | O Chang-hyeon |
| Mr: | O Ch'ang-hyŏn |
Oh Chang-hyun (born May 4, 1989) is a South Korean football player who plays for Daejeon Citizen in the K League Challenge.