Fasa (disambiguation)
FASA or Fasa may refer to:
- FASA Corporation, the company that created BattleTech
- FASA Studio (formerly FASA Interactive Technologies, Inc.), a video game developer spin-off of FASA, now owned by Microsoft
- Fasa (system), the Deep Periphery planetary system close to the Pentagon Worlds
- Finmark Air and Space Academy, the Rim Worlds Republic naval academy, abbreviated FASA for short