Jennifer Anne Ehle (; born December 29, 1969) is an American actress. She won the BAFTA TV Award for Best Actress for her role as Elizabeth Bennet in the 1995 BBC miniseries Pride and Prejudice. For her work on Broadway, she won the 2000 Tony Award for Best Actress in a Play for The Real Thing, and the 2007 Tony Award for Best Featured Actress in a Play for The Coast of Utopia. She is the daughter of English actress Rosemary Harris and American author John Ehle.

Ehle made her West End debut in Peter Hall's 1991 production of Tartuffe, and joined the Royal Shakespeare Company in 1995. Other television credits include The Camomile Lawn (1992), A Gifted Man (2011–2012) and The Looming Tower (2018). She has also appeared in supporting roles in such films as Wilde (1997), Sunshine (1999), The King's Speech (2010), Contagion (2011), Zero Dark Thirty (2012), RoboCop (2014), and Fifty Shades of Grey (2015). Ehle also portrayed Lydia Marsh in The Miseducation of Cameron Post (2018).