Hydra (disambiguation)

Hydra may refer to the following:

Halo universe

 * Hydra - A series of UNSC weapons.
 * MLRS-1 Hydra - The Hydra variant featured in Halo 5: Guardians.
 * MLRS-2 Hydra - The Hydra variant featured in Halo Infinite.
 * Hydra system - A colony system of the UNSC.
 * Hydra System Massacres - A group of conflicts in UNSC history.
 * Hydra (code) - A UNSC code word for biological threats.

Real world

 * Operation F: Hydra - The final chapter in Halo: Spartan Assault.