Jo Jae-yoon (Korean: 조재윤) is a South Korean actor. He made his acting debut in 2003 and has since starred as a supporting actor in numerous films and television series, including The Man from Nowhere (2010), The Chaser (2012), Gu Family Book (2013), The Suspect (2013), Descendants of the Sun (2016), Mad Dog (2017), Sky Castle (2018–2019), and Alchemy of Souls season 1 and 2 (2022–2023). Jo also appeared in the variety-reality show Animals (2015).