Ryu Jun-yeol (Hangul: 류준열; born 25 September 1986) is a South Korean actor. He gained popularity through his breakthrough role in the television series Reply 1988 (2015–2016).

Known as a prolific Chungmuro actor, since then he has starred in the box-office hit films The King (2017), A Taxi Driver (2017), Believer (2018), Money (2019), The Battle: Roar to Victory (2019). He pursued acting studies at Suwon University and became a prolific performer in short films and independent titles beginning in 2012. His first feature film role was a small part in the Korean Academy of Film Arts title INGtoogi: Battle of Internet Trolls.