Seo Young-jae (Korean: 서영재; born 23 May 1995) is a South Korean professional footballer who plays as a left-back for Daejeon Hana Citizen.

[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.

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.

This biographical article related to a South Korean association football defender is a stub.