CMT may refer to:
Broadcasting
- Canal Maximo Televisión, a defunct Venezuelan TV network
- Castilla–La Mancha TV, now CMM TV, a Spanish regional channel
- CMT (American TV channel)
- CMT (Canadian TV channel)
- CMT (Australian TV channel)
Science and technology
Computing
- Clustered multi-thread, AMD CPU technology
- Chip-level multithreading, a Sun Microsystems technique
- Container managed transactions in Jakarta Enterprise Beans
Medicine
- California mastitis test
- Charcot–Marie–Tooth disease of the peripheral nervous system
- Chemically modified tetracyclines, a type of tetracycline antibiotics
- Certified massage therapist
- Combat medical technician
Other uses in science and technology
- Mercury cadmium telluride
- Cold metal transfer, a welding technique
Other uses
- Carrier Mortar Tracked, an Indian self-propelled mortar
- Chartered Market Technician, a term used by the CMT Association of technical analysts
- Compulsory military training in New Zealand
- Connecticut Mastery Test, a school test
- Culturally modified tree, a tree modified as part of tradition
- CMT Buses, later Glenvale Transport, a British bus company
- Transitional Military Council (Chad) (Conseil militaire de transition)
- World Confederation of Labour (Confédération Mondiale du Travail)