Nancy is an Human name of English origin. It is a common given and family name.
- Given name
People with the given name Nancy:
- Nancy Crater, part of the scientific team to planet M-113
- Nancy Hedford, a Federation Assistant Commissioner around 2267
- Nancy Ohlson, a Starfleet crewperson during the Dominion War
- Nancy Mickelberry (Starfleet), a spaceframe development officer
- Nancy Randolph, navigator on the USS Ariel
- Production staff
Production staff and writers with the given name Nancy include:
- Nancy Bell, actress of Ahni Jetal in Voyager's "Latent Image"
- Nancy Harewood (aka Ann McCurry), actress in the Next Generation episode "Eye of the Beholder"
- Nancy Hower, portrayed Samantha Wildman on Star Trek: Voyager
- Nancy Kovack, Nona in "A Private Little War"
- Nancy Malone, Star Trek: Voyager director
- Nancy Mickelberry, set designer
- Nancy Parsons, portrayed Marouk in "The Vengeance Factor"
- Nancy Thurston, stuntperson on Deep Space Nine
- Nancy Vawter, Admiral Margaret Blackwell in "The Pegasus"
- Nancy Wong, an extra in the first season of the Original Series
- Nancy Youngblut, character actress on Deep Space Nine and Voyager