|Date of birth||4 October 1988|
|Height||1.85 m (6 ft 1 in)|
|Playing position||Centre back|
|2004–2006||Baegam High School|
|2016–2018||→ Sangju Sangmu (army)||26||(0)|
* Senior club appearances and goals counted for the domestic league only and correct as of 16 August 2019|
‡ National team caps and goals correct as of 27 June 2018
|Revised Romanization||Yun Yeongseon|
Yun was drafted in the 2010 K-League Draft by Seongnam Ilhwa Chunma. On 9 March 2010, Yun made his professional debut AFC Champions League against Melbourne Victory, scoring Seongnam's second goal in away won 2–0. Yun made his K-League debut on 19 March away against Jeonbuk Hyundai Motors, coming on as substitute for Kim Jin-yong in the 72nd minutes. He was linked with Chinese Super League side Henan Jianye in January 2014, however, his transfer was blocked after failing to pass the physical examination.
Club career statistics
As of 16 August 2019
|Club performance||League||FA Cup||Continental||Other1||Total|
|2010||Seongnam||K League 1||5||0||2||0||4[a]||1||0||0||11||1|
|Sangju Sangmu (army)||6||0||0||0||-||-||6||0|
|2018||Seongnam||K League 2||17||1||0||0||-||-||17||1|
|2019||Ulsan Hyundai||K League 1||18||0||1||0||7||0||-||26||0|
- Three appearances and one goal in AFC Champions League, one appearance in FIFA Club World Cup
- K League Cup
- K League Promotion-Relegation Playoffs
- Seongnam Ilhwa Chunma / Seongnam FC
- South Korea
- "2018 FIFA World Cup Russia – List of Players" (PDF). FIFA.com. Fédération Internationale de Football Association. 4 June 2018. Retrieved 19 June 2018.
- "Melbourne Victory vs. Seongnam Ilhwa 0 – 2". Soccerway. Retrieved 6 March 2011.
- "Jeonbuk Motors vs. Seongnam Ilhwa 1 – 1". Soccerway. Retrieved 6 March 2011.
- "Revealed: Every World Cup 2018 squad – 23-man & preliminary lists & when will they be announced?". Goal. Retrieved 18 May 2018.
- Yun Young-sun – National Team Stats at KFA (in Korean)
- Yun Young-sun – K League stats at kleague.com (in Korean)
- Yun Young-sun at Soccerway
- Yun Young-sun – FIFA competition record
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