Julia Scarlett Elizabeth Louis-Dreyfus (pronounced /ˈluːiː ˈdraɪfəs/; born January 13, 1961) is an American actress and comedian.

She rose to prominence as one of the regular cast members of Saturday Night Live in the early 1980s. She was later cast in the role of Elaine Benes on the NBC sitcom Seinfeld. Her performance over nine seasons earned her an Emmy Award, a Golden Globe Award and five Screen Actors Guild Awards. In 2002, she and her husband developed the series Watching Ellie, which achieved limited success. In 2006, she tried her luck again with a new sitcom and subsequently earned her second Emmy Award as Christine Campbell in the sitcom The New Adventures of Old Christine, which lasted for five seasons on CBS.

She has received 7 Emmy nominations for supporting actress in a comedy series for Seinfeld, and 5 Emmy nominations for lead actress in a comedy series for The New Adventures of Old Christine. In May 2010, Louis-Dreyfus received a star on the Hollywood Walk of Fame for her contribution to the broadcast television industry.