Julie Dreyfus (born October 31, 1972 in Paris, France) is a French actress.
Dreyfus, who speaks fluent Japanese, French, and English, is well known in Japan, where she made her TV debut on a French-language lesson program on NHK's educational channel, and has appeared on the TV show Ryōri no Tetsujin (Iron Chef) as a guest and judge, where she famously refused to eat a meal prepared by Toshiro Kandagawa, because it contained whale meat. She is best known to Western audiences for the role of Sofie Fatale in the film Kill Bill and has been associated with Quentin Tarantino, who is a good friend.