Yeun Sang-yeop, known professionally as Steven Yeun, is a South Korean-born American actor.

Yeun initially rose to prominence for his roles as Glenn Rhee in the television series The Walking Dead (2010–2016) and Ben in the film Burning (2018). The latter earned him critical acclaim and several accolades. He also starred in and executive produced Minari (2020), earning him critical acclaim and a nomination for the Academy Award for Best Actor, becoming the first Asian American actor to receive this honor. He also became the first Asian-American actor to be nominated at the Screen Actors Guild for Outstanding Performance by a Male Actor in a Leading Role.

Yeun has also appeared in the films I Origins (2014), Okja (2017), Sorry to Bother You (2018), The Humans (2021) and Nope (2022), and has voiced main characters in television series such as Voltron: Legendary Defender (2016–2018), Tales of Arcadia (2016–2021), Stretch Armstrong and the Flex Fighters (2017–2018), Final Space (2018–2021), Tuca & Bertie (2019–2022), and Invincible (2021–present).