Emily Olivia Leah Blunt (born 23 February 1983) is a British actress. Her accolades include a Golden Globe Award and a Screen Actors Guild Award, in addition to nominations for two British Academy Film Awards.

Educated at Hurtwood House in Dorking, Blunt made her acting debut in a 2001 stage production of The Royal Family. She went on to appear in the television film Boudica (2003) and portrayed Queen Catherine Howard in the miniseries Henry VIII (2003). She made her feature film debut in the drama My Summer of Love (2004). Blunt's breakthrough came in 2006 with her starring roles in the television film Gideon's Daughter and the comedy-drama film The Devil Wears Prada. The former won her a Golden Globe Award for Best Supporting Actress and the latter earned her a nomination for the BAFTA Award for Best Actress in a Supporting Role.

Blunt's profile continued to grow with leading roles in the period film The Young Victoria (2009), the romantic comedy Salmon Fishing in the Yemen (2011), the science fiction films The Adjustment Bureau (2011), Looper (2012), and Edge of Tomorrow (2014), and the musical films Into the Woods (2014) and Mary Poppins Returns (2018). She received critical acclaim for playing a principled FBI agent in the crime film Sicario (2015), an alcoholic in the thriller The Girl on the Train (2016), which earned her a nomination for the BAFTA Award for Best Actress in a Leading Role, and a survivalist mother in the horror film A Quiet Place (2018). For the latter, which was directed by her husband John Krasinski, she won the Screen Actors Guild Award for Best Supporting Actress.