| Jung Seung-Yong 정승용,郑升勇 | |
| Fullname: | Jung Seung-Yong |
| Birth Date: | 25 March 1991 |
| Birth Place: | Busan, South Korea |
| Currentclub: | Seongnam FC |
| Clubnumber: | 22 |
| Position: | Wing back |
| Youthyears1: | 2007–2009 |
| Youthclubs1: | FC Seoul |
| Years1: | 2010–2015 |
| Clubs1: | FC Seoul |
| Caps1: | 2 |
| Goals1: | 0 |
| Years2: | 2011 |
| Clubs2: | → Gyeongnam FC (loan) |
| Caps2: | 3 |
| Goals2: | 0 |
| Years3: | 2016– |
| Caps3: | 198 |
| Goals3: | 6 |
| Years4: | 2023– |
| Clubs4: | Seongnam FC (Loan) |
| Caps4: | 24 |
| Goals4: | 1 |
| Nationalyears1: | 2010–2011 |
| Nationalteam1: | South Korea U-20 |
| Nationalcaps1: | 13 |
| Nationalgoals1: | 2 |
| Pcupdate: | 20 December 2019 |
| Ntupdate: | 15 August 2011 |
Jung Seung-Yong is a South Korean football wing back who plays for Seongnam FC.