- "What the hell is Leviathan?"
- —Lex Luthor[src]
Leviathan refers to several things:
- Groups
- For the shadowy organization on Earth-38, see Leviathan (Earth-38).
- For the shadowy organization on Earth-Prime, see Leviathan (Earth-Prime).
- Items
- For the weapon used by Vandal Savage's army, see The Leviathan.
- Episodes
- "Leviathan", the thirteenth episode of the first season of DC's Legends of Tomorrow, and the thirteenth episode overall.