Deborah Everton (born 21 December 1955; age 68) is a Hollywood costume designer who worked on Star Trek: First Contact. In 1997, she won a Saturn Award for Best Costumes from the Academy of Science Fiction, Fantasy & Horror Films for her work on First Contact.
Before becoming a costume designer, Everton was a costume supervisor on The Terminator (1984, starring Linda Hamilton,). Her first film as costume designer was Bad Dreams (1988, starring Richard Lynch and Harris Yulin). She worked on several more projects for that film's director, Andrew Fleming, including The Craft (1996) and Dick (1999, starring Kirsten Dunst, Terri Garr, and Saul Rubinek). After First Contact, she would again work with its director, Jonathan Frakes, on Clockstoppers (2002) and an episode of the ABC series Masters of Science Fiction entitled "The Discarded" (written by Harlan Ellison).
Everton's other costume design credits include The Abyss (1989), Highlander II: The Quickening (1991), Blank Check (starring Brian Bonsall and Miguel Ferrer), Lawnmower Man 2: Beyond Cyberspace (1996, starring Matt Frewer and Kevin Conway), Halloween H20: 20 Years Later, Virus, and Spy Kids, and the pilots for The X-Files and Earth 2. She also designed the costumes for Ronald D. Moore's Battlestar Galactica.
In addition to her Saturn Award, Everton received a CableACE Award for her work on the 1994 TV movie Heart of Darkness, featuring Star Trek VI: The Undiscovered Country actress Iman and Star Trek: The Next Generation/Star Trek: Voyager guest actor Alan Scarfe. She also worked on The Flock (2007).