CMT may refer to:
Medicine
- California mastitis test, a simple cow-side indicator of the somatic cell count of milk
- Certified Massage Therapist
- Cervical motion tenderness, a sign of pelvic inflammatory disease
- Charcotâ"Marieâ"Tooth disease, a group of disorders of the peripheral nervous system
- Chemically modified tetracyclines, a type of tetracycline antibiotics
- Combat Medical Technician
Television
- Canal Maximo Televisión, a defunct Venezuelan regional network
- Castilla-La Mancha TV, a Spanish regional channel
- CMT (U.S. TV channel), a U.S. cable television channel
- CMT (Canadian TV channel), a Canadian country music television channel
Science and technology
- Mercury cadmium telluride (cadmium mercury telluride)
- Clustered multi-thread, an architecture used by AMD in its CPUs
- Composable Memory Transactions
- Chip-level multithreading, a form of simultaneous multithreading
- Container Managed Transactions, see Enterprise JavaBeans
- Cold Metal Transfer, a low heat input welding technique
- Communications, Media & Technology, operating group in Accenture
Other uses
- California Musical Theatre, a nonprofit arts organization in Sacramento, California
- Cambridge Mathematical Tripos, a mathematics course at the University of Cambridge
- Carrier Mortar Tracked, a self-propelled mortar system developed in India
- Chartered Market Technician, a professional designation that confirms proficiency in technical analysis of the financial markets.
- Compulsory Military Training
- Confédération Mondiale du Travail or World Confederation of Labour, an international confederation of trade unions
- Connecticut Mastery Test, a test administered to students in grades 3 through 8
- Constant-maturity treasury
- Culturally modified tree, the modification of a tree by indigenous people as part of their tradition
- Chaconia Medal, one of the Orders, decorations, and medals of Trinidad and Tobago
- CMT Holiday Exhibition, a large tourism and leisure trade fair held in Stuttgart.