Felicity Rose Hadley Jones (born 17 October 1983) is an English actress. She started her professional acting career as a child, appearing at age 12 in The Treasure Seekers (1996). Jones went on to play Ethel Hallow for one season in the television show The Worst Witch and its sequel Weirdsister College. On radio, she has played the role of Emma Grundy in the BBC's The Archers. In 2008, she appeared in the Donmar Warehouse production of The Chalk Garden.

Since 2006, Jones has appeared in numerous films, including 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, garnering her numerous awards, including a special jury prize at the 2011 Sundance Film Festival.

In 2014, her performance as Jane Hawking in The Theory of Everything also met with critical acclaim, garnering her nominations for the Golden Globe, SAG, BAFTA and Academy Award for Best Actress. In 2016, Jones starred in the adventure-thriller Inferno, the fantasy drama A Monster Calls and Rogue One: A Star Wars Story as Jyn Erso. In 2016, she received the BAFTA Britannia Award for British Artist of the Year.