Iceberg is an original novel written by David Banks and based on the long-running British science fiction television series Doctor Who. It was number 18 in the Virgin New Adventures range and featured the Cybermen, being a sequel to the serials The Invasion and The Tenth Planet. The events of the novel run concurrently with those of Birthright. Banks as an actor portrayed the Cyber Leader in several Doctor Who serials. A prelude to the novel, also penned by Banks, appeared in Doctor Who Magazine #204.

The Virgin New Adventures are a series of novels from Virgin Publishing based on the British science-fiction television series Doctor Who. They continued the story of the Doctor from the point at which the television programme went into hiatus from television in 1989.