Spencer Banks (born 1954 in Chesterfield) is a British television actor.
He was mainly active in the 1970s, when he tended to play a geeky adolescent in glasses. He starred in two significant programmes: the popular children's science fiction serial Timeslip as Simon Randall, and the acclaimed television play Penda's Fen. He also appeared in television series including Alexander the Greatest, The Witch's Daughter, Tightrope, The Georgian House, Crossroads and Backs to the Land, films such as Diamonds on Wheels (1974) and A Christmas Carol (1984), and a 1981 radio version of The Chrysalids. In 2015 he appeared as 'Reverend Simon Randall' in The Amityville Playhouse. opposite former Timeslip co-star Cheryl Burfield.