Felicity Rose Hadley Jones (born 17 October 1983) is an English actress. She began her professional acting career as a child, appearing in The Treasure Seekers (1996) at age 12. She went on to play Ethel Hallow for one series of the television series The Worst Witch and its sequel Weirdsister College. In 2008, she appeared in the Donmar Warehouse production of The Chalk Garden.
Since 2006, Jones has appeared in the films Northanger Abbey (2007), Brideshead Revisited (2008), Chéri (2009), The Tempest (2010), The Amazing Spider-Man 2 (2014), and True Story (2015). Her performance in the 2011 film Like Crazy was met with critical acclaim. Her performance as Jane Hawking in the 2014 biographical film The Theory of Everything earned her nominations for the BAFTA and Academy Award for Best Actress.
In 2016, Jones starred in the thriller Inferno, the fantasy drama A Monster Calls, and the space opera Rogue One: A Star Wars Story as Jyn Erso. She has since portrayed Ruth Bader Ginsburg in the biopic On the Basis of Sex (2018), and has starred in the streaming films The Aeronauts (2019), The Midnight Sky (2020), and The Last Letter from Your Lover (2021).