| Jung Hong-Youn | |
| Fullname: | Jung Hong-Youn (정홍연) |
| Birth Date: | 18 August 1983 |
| Birth Place: | South Korea |
| Currentclub: | Bucheon FC 1995 |
| Position: | Defender, Midfielder |
| Years1: | 2006–2007 |
| Years2: | 2008–2009 |
| Years3: | 2010–2013 |
| Years4: | 2013 |
| Years5: | 2014– |
| Clubs3: | Pohang Steelers |
| Clubs4: | Chunnam Dragons |
| Clubs5: | Bucheon FC 1995 |
| Caps1: | 53 |
| Caps2: | 5 |
| Caps3: | 42 |
| Caps4: | 4 |
| Caps5: | 48 |
| Goals1: | 1 |
| Goals2: | 0 |
| Goals3: | 1 |
| Goals4: | 0 |
| Goals5: | 1 |
| Pcupdate: | 15 December 2015 |
Jung Hong-Youn (born August 18, 1983) is a South Korean footballer. Since 2014, he has played for Bucheon FC 1995 (formerly Busan I'Park, Jeju United, Pohang Steelers and Chunnam Dragons).