Scott Edward Adkins (born 17 June 1976) is an English actor and martial artist. He gained prominence with his portrayal of the Russian prison fighter Yuri Boyka in the American film Undisputed II: Last Man Standing (2006), a role he reprised in its sequels Undisputed III: Redemption (2010), which won him an Action on Film Award for Breakout Action Star, and Boyka: Undisputed (2017), which won him a Jackie Chan Action Movie Award for Best Action Movie Actor.

His early acting credits include minor roles in the Hong Kong films The Accidental Spy (2001), Black Mask 2: City of Masks (2002), and The Medallion (2003), and the American films Special Forces (2003), Unleashed (2005), and The Pink Panther (2006). His first lead role was as Casey Bowman in the American martial arts film Ninja (2009), a role he reprised in the sequel Ninja: Shadow of a Tear (2013). He has since been cast in several mainstream films in supporting roles, such as The Expendables 2, Zero Dark Thirty (both 2012), Ip Man 4: The Finale (2019), and John Wick: Chapter 4 (2023), though most of his lead roles have been in direct-to-video films or limited theatrical releases, such as Close Range (2015), Savage Dog (2017), Accident Man(2018), Triple Threat, Avengement (both 2019), Legacy of Lies (2020), Castle Falls (2021), and Accident Man: Hitman's Holiday (2022).