CMT
- CMT (American TV channel)
- CMT (Australian TV channel)
- CMT (Canadian TV channel)
- CMT Association
- CMT Buses
- CMT Music Awards
- California mastitis test
- Canal Maximo Televisión
- Carrier Mortar Tracked
- Castilla–La Mancha TV
- Certified massage therapist
- Charcot–Marie–Tooth disease
- Chip-level multithreading
- Clustered multi-thread
- Cold metal transfer
- Combat medical technician
- Compulsory military training in New Zealand
- Connecticut Mastery Test
- Culturally modified tree
- Jakarta Enterprise Beans
- Mercury cadmium telluride
- Transitional Military Council (Chad)
- World Confederation of Labour