Atlantis (disambiguation)
The name Atlantis or USS Atlantis may refer to:

 Atlantis, a mythical island
 Atlantis (OV-104), an Earth space shuttle orbiter
 Atlantis (starship), the former posting of Mariner Beckett
 USS Atlantis (NCC-32710), a 24th century Federation starship
 USS Atlantis (NCC-72007), a 24th century Federation starship