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 Beckett Mariner
- USS Atlantis (NCC-52716), a 24th century Federation starship
- USS Atlantis (NCC-72507), a 24th century Federation starship