NMT may refer to:
- Terminology
- Neurologic Music Therapy
- Nordic Mobile Telephone, an analogue mobile phone system
- Nuremberg Military Tribunals, a series of military tribunals that took place after World War II
- N-methyltryptamine, an alkaloid similar to dimethyltryptamine
- New Measurement Train, a specialised train operating in the United Kingdom
- Network Management protocols in the CANopen communication protocol
- No More Tears, a 1991 album by Ozzy Osbourne
- Corporations, organizations, or codes
- National Mobile Television
- National Meningitis Trust
- New Mexico Tech
- Needham Market railway station has National Rail code NMT
- Namtu, Myanmar Airport code