Samuel George Claflin (born 27 June 1986) is an English actor. After graduating from the London Academy of Music and Dramatic Art in 2009, he began his acting career on television and had his first film role as Philip Swift in Pirates of the Caribbean: On Stranger Tides (2011).

Claflin gained wider recognition for playing Finnick Odair in The Hunger Games film series (2013–2015) and for his starring role in the romantic comedy Me Before You (2016). He has since starred in the films Adrift (2018) and The Nightingale (2018), and portrayed Oswald Mosley in the television series Peaky Blinders (2019–2022) and Mycroft Holmes in the mystery film Enola Holmes (2020).