Eridanus can refer to:
- The Eridanus system.
- Eridanus II - a colony world in the Eridanus system.
- Eridanus secundus - an asteroid colony in Eridanus system's asteroid belt.
- The Epsilon Eridani system.
- The Eridanus Rebels, a human terrorist/paramilitary faction.
- The Operation: TALON.
- The Massacre at Eridanus Secundus.
- This is a disambiguation page—a navigational aid which lists other pages that might otherwise share the same or a similar title. If an article link referred you here, you might want to go back and fix it to point directly to the intended page.