Keira Christina Knightley, (; born 26 March 1985) is a British actress. She has been nominated for two British Academy Film Awards, three Golden Globe Awards, and two Academy Awards.
Knightley began acting as a child on television and made her feature film debut in 1995, before making her breakthrough with the 2002 film Bend It Like Beckham. She then starred in the 2003 fantasy swashbuckler film Pirates of the Caribbean, playing Elizabeth Swann, a role that she would reprise in the subsequent films of the franchise. A significant turning point came in her career when Knightley received a nomination for the Academy Award for Best Actress for starring as Elizabeth Bennet in Pride & Prejudice (2005). She became known for starring in several other period dramas, including Atonement (2007), The Duchess (2008), A Dangerous Method (2011), Anna Karenina (2012), and Colette (2018). Knightley received her second nomination for the Academy Award for portraying Joan Clarke in the historical drama The Imitation Game (2014). Her contemporary film roles were in the romantic comedy Begin Again (2013), the action thriller Jack Ryan: Shadow Recruit (2014), the adventure film Everest (2015) and the docudrama Official Secrets (2019).
On stage, Knightley has appeared on the West End in Martin Crimp's 2009 production of The Misanthrope, which earned her a nomination for a Laurence Olivier Award. She also starred as the eponymous heroine in the 2015 Broadway production of Thérèse Raquin. She was appointed Officer of the Order of the British Empire in the 2018 Birthday Honours for services to drama and charity.
She is also known as Keira Christina Knightley.