Gillian Spencer (born December 18, 1939) is an American soap opera actress and writer.
She has had roles on soaps such as The Edge of Night, The Secret Storm, Guiding Light, As the World Turns and on One Life to Live as the original Victoria Lord/Niki Smith 1968-1970.
Spencer appeared in the 1968 feature comedy What's So Bad About Feeling Good?; in the film, she plays The Sack, a melancholy young woman living in a New York City commune with a burlap sack covering her entire body except for her bare feet.
However, she is probably best remembered for playing the role of Daisy Murdock Cortlandt on the ABC soap, All My Children, a role she played from 1980 through 1989, and in 1994, 1995, 1996, and on April 20, 2010 with Taylor Miller (Nina Cortlandt Warner) for the tribute episode for James Mitchell (Palmer Cortlandt)
She was co-head writer of Another World. She has also been a writer for As the World Turns, All My Children and the serial Days of our Lives.