NTT may refer to:
*
National Native Title Tribunal (NTT), Australian government instrumentality
*
NATO
The North Atlantic Treaty Organization (NATO ; , OTAN), also called the North Atlantic Alliance, is an intergovernmental organization, intergovernmental Transnationalism, transnational military alliance of 32 Member states of NATO, member s ...
countries, as per
NATO country code
*
New Technology Telescope, a 3.6m telescope at La Silla Observatory, Chile
*
New Technology Train, a series of the New York City Subway made from 1999 onwards
*
New trade theory, an economic theory
*
Niuatoputapu Airport, IATA code
*
Nippon Telegraph and Telephone
(NTT) is a Japanese telecommunications holding company headquartered in Tokyo, Japan. Ranked 55th in ''Fortune'' Global 500, NTT is the fourth largest telecommunications company in the world in terms of revenue, as well as the third largest pu ...
(NTT), a Japanese telecommunications company
**
NTT Docomo, a mobile phone operator, subsidiary of NTT founded in 1991
*
Nottinghamshire
Nottinghamshire (; abbreviated ''Notts.'') is a ceremonial county in the East Midlands of England. The county is bordered by South Yorkshire to the north-west, Lincolnshire to the east, Leicestershire to the south, and Derbyshire to the west. Th ...
, county in England, Chapman code
*
Number theoretic transform, a mathematical transform
*
East Nusa Tenggara
East Nusa Tenggara (; ) is the southernmost province of Indonesia. It comprises the eastern portion of the Lesser Sunda Islands, facing the Indian Ocean in the south and the Flores Sea in the north, with a total land area of 47,238.07 km2. It cons ...
, a province of Indonesia known as Nusa Tenggara Timur in Indonesian language.
* non-traditional
tincture (heraldry)
Tinctures are the colours, metals, and furs used in heraldry. Nine tinctures are in common use: two metals, ''Or (heraldry), or'' (gold or yellow) and ''argent'' (silver or white); the colours ''gules'' (red), ''Azure (heraldry), azure'' (blue), ...
* The New Traveller's Tales (NTT) engine, a game engine used for the 2022 video game ''
Lego Star Wars: The Skywalker Saga''
*
NTT (Uzbek TV channel), an Uzbek television channel
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