Great Behemoth may refer to:
- The planet from Final Fantasy IV.
- The enemy from Final Fantasy VI.
- The enemy from Final Fantasy Record Keeper.
Behemoth is a beast mentioned in Job 40:15–24. In addition to mythological creatures, it is likened to elephants, hippos, rhinos, and bison. Metaphorically, the term behemoth denotes "an extremely large or powerful entity."