Galactica may refer to:
Galactica (moth), a moth genus Battlestar Galactica, a fictional spacecraft and an American science fiction franchise Imperium Galactica, a computer game Galactica (roller coaster), at Alton Towers in Staffordshire, England Galactica, a large language model for generating scientific text published by Meta AI.
See also Galaxia (disambiguation) Galaxy (disambiguation)