Excalibur
Excalibur may refer to:
- Excalibur (BattleMech), the 70-ton BattleMech
- Excalibur (DropShip class), large DropShip entering service during the First Succession War
- Excalibur (Individual Zechetinu-class WarShip), Free Worlds League corvette
- Excalibur (Satellite), the Cold War satellite