- References
{{Korean name|Seo}}{{Use dmy dates|date=December 2018}}{{Infobox sportsperson
| name = Seo Sang-yeong
| full_name =
| image =
| caption =
| nationality = South Korean
| sport = Boxing
| birth_date = {{birth date and age|1945|3|13|df=yes}}
| birth_place = Geoje, Korea
| death_date =
| death_place =
}}Seo Sang-yeong (born 13 March 1945) is a South Korean boxer. He competed in the men's flyweight event at the 1968 Summer Olympics.[1]References1. ^{{cite Sports-Reference |url=https://www.sports-reference.com/olympics/athletes/se/seo-sang-yeong-1.html |title=Seo Sang-yeong Olympic Results |accessdate=7 December 2018}}
{{Authority control}}{{DEFAULTSORT:Seo, Sang-yeong}}{{SouthKorea-boxing-bio-stub}} 10 : 1945 births|Living people|South Korean male boxers|Olympic boxers of South Korea|Boxers at the 1968 Summer Olympics|People from Geoje|Asian Games medalists in boxing|Boxers at the 1966 Asian Games|Asian Games silver medalists for South Korea|Medalists at the 1966 Asian Games |