NT

Language

• Nt (digraph), a letter in several African languages
• n't, a contracted form of the English word not

Music

• Neighbor tone, a nonchord tone that passes from a chord tone directly above or below it and resolves to the same tone
• "N.T.", a song by Kool & the Gang from the 1971 album Live at PJ's
• "N.T.", a song by Q-Tip from the 1999 album Amplified

Organisations

• (abbreviation of Nurdin Tampubolon Corporation), an Indonesian group of companies
• National Trust, a British heritage conservation charity
• Royal National Theatre, London, England
• New Trier High School, Winnetka, Illinois, United States
• Nortel (stock symbol: NT), a telecommunications equipment company
• National Telecom Public Company Limited (NT), a Thai state-owned telecommunications company

Places

• Northern Territory, Australia
• Northwest Territories, Canada
• New Territories, Hong Kong
• Netherlands Antilles (1954–2010), Caribbean, by FIPS 10-4 code
• Saudi Arabian–Iraqi neutral zone (1922–1991), by ISO 3166-1 code

Science

• Nanotesla (nT), an SI unit of magnetic flux density
• Nit (unit) (nt), a non-SI name for a unit of luminance
• Niton (element) (Nt), obsolete name of the element radon

Biology and medicine

• Near-threatened species, a category in the IUCN Red List
• Neurotransmitter, chemical signals used in communication between neurons
• Normotension, normal level of blood pressure
• Nuchal translucency scan, a sonographic prenatal screening scan
• nt, nucleotide, a chemical compound making up DNA or RNA. The abbreviation is used to specify DNA/RNA length.
• FloraNT (Index herbariorum code for Northern Territory Herbarium in Alice Springs)

Technology

• Nested Task flag, a flag in the FLAGS register of Intel x86 processors
• Windows NT, a family of operating systems from Microsoft
• Network termination, a device connecting the customer's data or telephone equipment to the local exchange carrier's line
• NT (cassette), a Sony microcassette-based digital memo recorder
• Analogue Nt, an aftermarket Nintendo Entertainment System

Transport

• Net tonnage, a measurement used for ships
• Binter Canarias (IATA airline designator)
• Zeppelin NT, a type of German airship manufactured since the 1990s

Other uses

• New Taiwan dollar (NT$ or NT), the currency of Taiwan
• Norrköpings Tidningar, a Swedish newspaper
• Newfoundland Time, a time zone in Atlantic Canada
• Neurotypical or neurologically typical, someone whose brain development and activity are typical
• New Testament, the second part of the Christian Bible
• Intuitive thinker, one of the Myers–Briggs Type Indicators
• North Takoma, a posited fictional state in which the town of Springfield is located in The Simpsons TV show
• No Trump, in contract bridge and other card games