In the science fiction television series Stargate Atlantis, the spin-off of Stargate SG-1, Atlantis (Milky Way Gate address: , Pegasus Gate address: , currently without address) is an Ancient City Ship, both of which are part of the Stargate science fiction setting. It is based on, and serves to explain, the Greek myth of the Lost City of Atlantis.
Atlantis is fictional starship in the TV show Transformers Cybertron. According to Vector Prime's explanation, Atlantis is one of the four Cybertronian starships that transported the Cyber Planet Keys to the four planets. Atlantis is the ship that transported a Cyber Planet Key, the Omega Lock and transformers to Earth.