Elisabeth Judson Shue (born October 6, 1963) is an American actress, best known for her starring roles in the films The Karate Kid (1984), Adventures in Babysitting (1987), Cocktail (1988), Back to the Future Part II (1989), Back to the Future Part III (1990), Soapdish (1991), Leaving Las Vegas (1995), The Saint (1997), Hollow Man (2000), and Piranha 3D (2010). She has won several acting awards and has been nominated for an Academy Award, a Golden Globe and a BAFTA.

She starred as Julie Finlay in the CBS procedural forensics crime drama CSI: Crime Scene Investigation from 2012 to 2015. More recently she had supporting roles in Battle of the Sexes (2017) and Death Wish (2018). She was also a series regular in the first season of the Amazon series The Boys (2019).