| Seo Young-jae | |
| Height: | 1.82 m |
| Birth Date: | 1995 5, df=yes |
| Birth Place: | Wonju, Gangwon, South Korea[1] |
| Position: | Left back |
| Currentclub: | Daejeon Hana Citizen |
| Clubnumber: | 2 |
| Youthyears1: | 2014–2015 |
| Youthclubs1: | Hanyang University |
| Years1: | 2015–2018 |
| Clubs1: | Hamburger SV II |
| Caps1: | 60 |
| Goals1: | 2 |
| Years2: | 2018–2019 |
| Clubs2: | MSV Duisburg |
| Caps2: | 7 |
| Goals2: | 0 |
| Years3: | 2019–2020 |
| Clubs3: | Holstein Kiel |
| Caps3: | 9 |
| Goals3: | 0 |
| Years4: | 2021– |
| Clubs4: | Daejeon Hana Citizen |
| Caps4: | 71 |
| Goals4: | 0 |
| Nationalyears1: | 2015–2016 |
| Nationalteam1: | South Korea U23 |
| Nationalcaps1: | 7 |
| Nationalgoals1: | 0 |
| Nationalyears2: | 2015[2] |
| Nationalteam2: | South Korea Universiade |
| Nationalcaps2: | 5 |
| Nationalgoals2: | 1 |
| Pcupdate: | 13:43, 18 July 2020 (UTC) |
| Ntupdate: | 13:41, 5 May 2019 (UTC) |
Seo Young-jae (; born 23 May 1995) is a South Korean professional footballer who plays as a left-back for Daejeon Hana Citizen.[3]
After moving to MSV Duisburg in the summer of 2018,[4] he moved to Holstein Kiel for the 2019–20 season.[5]
Seo was included in South Korea's squad for the 2014 edition of the AFC U-19 Championship in Myanmar, but did not make an appearance in the tournament.[6] The following year, he was included in South Korea's squad for the football tournament at the 2015 Summer Universiade in Gwangju, South Korea. In the group stage, Seo opened the scoring in the 18th minute against Canada, which finished as a 3–1 win for South Korea. Overall, he scored one goal in five appearances, with South Korea finishing as runners-up after losing 0–3 to Italy in the Gold medal match.[7]
Seo also appeared for South Korea's under-23 team, appearing seven times from 2015 to 2016.[7]
South Korea Universiade