Veronica Cartwright (born April 20, 1949) is a British-born American actress. She is known for appearing in science fiction and horror films, and has earned numerous accolades, including three Primetime Emmy Award nominations. Her younger sister is actress Angela Cartwright.

As a child actress, Cartwright appeared in supporting roles in The Children's Hour and The Birds, the latter of which was her first commercial success. She made her transition into mainstream, mature roles with 1978's Invasion of the Body Snatchers. The following year, she played Lambert in the science-fiction horror film Alien, which earned her recognition and a Saturn Award for Best Supporting Actress. She additionally appeared in the films The Right Stuff and The Witches of Eastwick which earned her praise, and in the 1990s, received three nominations for the Primetime Emmy Award for Outstanding Guest Actress in a Drama Series, one of which was for her role on ER and two of which were for her role in The X-Files.