Leviathan (disambiguation)

The word "Leviathan" could refer to more than one thing:
 * Leviathan, ruler of the Sahagin.
 * Leviathan, AKA Levi, an aquatic entity who is the source of some of Niflheim's powers.
 * Leviathan, AKA Levi, a devoted member of the Varia.
 * Leviathans, immense flying whale-like creatures utilized by the Simic.
 * Leviathan, one of the forms of Ka-Oni-Santsu.
 * Leviathan, a class of spaceships. Osseron's latest is one.
 * Grand Leviathan, a class of spaceships. The Sōja is one.