The USS Alka-Selsior (NCC-1404) was a Federation starship.
In 2368, the Alka-Selsior was one of many decommissioned starships that were stored at Surplus Depot Z-15 in orbit of Qualor II. (TNG episode: "Unification I")
- Name and registry number on the Excelsior study model. The vessel was seen in the background.