Saoirse Úna Ronan (born 12 April 1994) is an Irish actress. She came to international prominence in 2007 after co-starring as Briony Tallis in the film Atonement, for which she received nominations for the Academy Award for Best Supporting Actress, the BAFTA Award for Best Actress in a Supporting Role and the Golden Globe Award for Best Supporting Actress, making her one of the youngest actresses to receive an Oscar nomination. Her film breakthrough was followed by her starring role in Peter Jackson's The Lovely Bones (2009) for which she was awarded a Critics' Choice Award, a Saturn Award, and a BAFTA Award nomination for Best Actress in a Leading Role. For her first Irish role as Eilis Lacey in John Crowley's romantic drama Brooklyn (2015), she has earned BAFTA, Golden Globe and SAG nominations for Best Actress.

Other notable films include the romantic comedy I Could Never Be Your Woman (2007), the supernatural film Death Defying Acts (2008), the science fiction-fantasy City of Ember (2008), the epic true story The Way Back (2010), the action thriller Hanna (2011), the romantic-science fiction The Host (2013), How I Live Now (2013), Wes Anderson's comedy The Grand Budapest Hotel (2014). More: