| Acronym | Definition |
|---|
| TCU➣Texas Christian University |
| TCU➣Tribunal de Contas da União (Court of Accounts, Brazil) |
| TCU➣Transitional Care Unit |
| TCU➣Transmission Control Unit |
| TCU➣Turbo C Utilities |
| TCU➣Timing and Control Unit |
| TCU➣Teachers Credit Union |
| TCU➣Thailand Cyber University |
| TCU➣Towering Cumulus (meteorological) |
| TCU➣Towering Cumulus (cloud formation) |
| TCU➣Tribal Colleges and Universities |
| TCU➣Transportation Communications International Union |
| TCU➣Temperature Control Unit |
| TCU➣Total Cost of Utilization (service payment) |
| TCU➣Terminal Control Unit |
| TCU➣Terms and Conditions of Use |
| TCU➣Teacher's Credit Union |
| TCU➣Trunk Coupling Unit |
| TCU➣Transportation, Communications, and Utilities |
| TCU➣Timing Control Unit |
| TCU➣Tape Control Unit |
| TCU➣Transit Canine Unit (NY Police Department) |
| TCU➣Telemetry Control Unit |
| TCU➣Transports Collectifs Urbains (French: Urban Public Transport) |
| TCU➣Thermal Combustion Unit (oilfields) |
| TCU➣Threat Containment Unit |
| TCU➣Traffic Control Unit |
| TCU➣Transmitter Control Unit |
| TCU➣Teletypewriter Control Unit |
| TCU➣Transportable Computer Unit |
| TCU➣Transportation Coordination Unit (emergency management) |
| TCU➣Tactical Control Unit |
| TCU➣True Colour Unit |
| TCU➣Telecommunications Control Unit |
| TCU➣Tri-Cam Unit (Rock Climbing Equipment) |
| TCU➣Thruster Control Unit |
| TCU➣Test Control Unit |
| TCU➣Tight Close-Up |
| TCU➣Turbocharge Control Unit |
| TCU➣Time Code Unit |
| TCU➣Tactical Computer Unit |
| TCU➣Tactical Communications Unit |
| TCU➣TRANSEC/COMSEC Unit |
| TCU➣Transaction Control Unit |
| TCU➣The Christian Underground |
| TCU➣Task Control Unit |
| TCU➣Technical Compliance Unit |
| TCU➣Test of Concept Utilization |
| TCU➣Terminal Command Update |
| TCU➣Thrust Control Unit |
| TCU➣Transportation Control Unit |
| TCU➣Tourism Coordination Unit |
| TCU➣Tracking Control Unit (UAV) |
| TCU➣Test Computer Unit |
| TCU➣Trunk Compatibility Unit |
| TCU➣Torpedo Control Unit |
| TCU➣Tennis Club Universitaire (French: University Tennis Club; Switzerland) |
| TCU➣Telemetry and Command Unit (military satellite communications) |
| TCU➣Transit Control Unit |
| TCU➣Transportation and Communication Union (Canada) |
| TCU➣Teletype Control Unit |
| TCU➣Teletype Communications Unit |
| TCU➣Time Critical Units |
| TCU➣Test Compatibility Unit |
| TCU➣Tri-City University |
| TCU➣Track Calibration Unit |
| TCU➣Timestamp Check Unit |
| TCU➣Techniques Contre l'Usure (French: Techniques against Wear) |
| TCU➣Trust Certificate Unit |
| TCU➣Team Carrie Underwood |
| TCU➣Transport Colis Urgent (French: Urgent Transport Parcels) |