Sylvia Beatrice Anderson (; 25 March 1927 - 15 March 2016) was an English television and film producer, writer, voice actress and costume designer, best known for her collaborations with Gerry Anderson, her husband between 1960 and 1981.

In addition to serving as co-creator and co-writer on their TV series during the 1960s and early 1970s, Anderson's primary contribution was character development and costume design. She regularly directed the fortnightly