Rex
Rex may refer to:
- Rex (Individual Lola III-class WarShip), Star League Defense Force destroyer during the Amaris Coup
- Rex (2nd Falcon Jaegers), Clan Jade Falcon MechWarrior
- Rex (328th Assault), Clan Wolf MechWarrior
- Rex (Jade Solahma), Clan Jade Falcon Elemental
- Rex (Nega Garrison), Clan Wolf Elemental