Jessie Buckley (born 28 December 1989) is an Irish actress and singer. Her accolades include the Academy Award for Best Actress (becoming the first Irish woman to win the award), a British Academy Film Award, an Actor Award, a Golden Globe Award, and a Scottish BAFTA, in addition to an additional nomination for an Academy Award.

Buckley began her career in 2008 as a contestant on the BBC talent show I'd Do Anything, in which she came second. A RADA graduate, her early onscreen appearances were in BBC television series such as War & Peace (2016) and Taboo (2017). Buckley made her film debut with the lead role in Beast (2017), followed by her breakout role as an aspiring country music singer in the musical film Wild Rose (2018); the latter earned her a nomination for the BAFTA Award for Best Actress in a Leading Role.