A galactic republic is a republic that spans most of a galaxy. It may refer to:
- Galactic Republic, in Star Wars, the Old Republic, the New Republic
- Galactic Republic, a fictional polity in the 1953 comic book story "Judgment Day", that was controversially
- Galactic Republic, a fictional polity from the Japanese anime OAV series Legend of Galactic Heroes, see List of Legend of the Galactic Heroes episodes
See also