N3 may refer to:

Roads

* N3 (Bangladesh), connecting Dhaka and Mymensingh *

N3 road (Belgium) The N3 road in Belgium is a national road connecting the capital city Brussels to Aachen in Germany via Leuven, Tienen, Sint-Truiden and Liège. Its course is quite similar to that of European route E40 between Brussels and Aachen, which it inter ...

, one of the national roads in Belgium *

N3 road (Gabon) The N3 road is one of the national highways of Gabon. It connects to the east of the country along the centre. Towns located along the highway include: * Alembe * Kazamabika * Lastoursville * Moanda * Franceville National highways in Gabon ...

* N3 road (Ghana) *

N3 road (Ireland) The N3 road is a national primary road in the Republic of Ireland, running between Dublin, Cavan and the border with County Fermanagh. The A509 and A46 roads in Northern Ireland form part of an overall route connecting to Enniskillen, and nor ...

, a National Primary Route *

N3 motorway (Netherlands) N3, or rijksweg 3, is a freeway in the province of South Holland South Holland ( nl, Zuid-Holland ) is a province of the Netherlands with a population of over 3.7 million as of October 2021 and a population density of about , making it the cou ...

, one of the national roads in the Netherlands *

N3 road (Senegal) The N3 road is one of the national roads of Senegal. It connects the west and the east of the country by a direct route across the middle from Thiès in the west via Bambey, Diourbel, Mbacké, Touba, Dahra, Linguère and Ranérou to Ouro Sogui ...

, one of the national roads in Senegal *

N3 (South Africa) The N3 is a national route in South Africa that connects Johannesburg and Durban, respectively South Africa's largest and third-largest cities. Johannesburg is the financial and commercial heartland of South Africa, while Durban is South Africa' ...

, a road connecting Johannesburg to Durban * Route nationale 3, France

Transportation

* , a Royal Navy battleship design that was never built * , a 1915 coastal defense submarine of the US Navy * SP&S Class N-3, a steam locomotives class from the

Spokane, Portland and Seattle Locomotive Roster The Spokane, Portland and Seattle Railway (SP&S) used a combination of new and used locomotives. Steam locomotives Most of these locomotives were purchased or leased from the SP&S's parent roads Great Northern Railway and Northern Pacific Rail ...

* N₃, gauges for monitoring a third section in a triple spool

jet engine A jet engine is a type of reaction engine discharging a fast-moving jet (fluid), jet of heated gas (usually air) that generates thrust by jet propulsion. While this broad definition can include Rocket engine, rocket, Pump-jet, water jet, and ...

* N3, IATA code for the Russian airline

Omskavia Omskavia ( Russian:ОмскА́виа) was an airline based in Omsk, Russia. It operated domestic and international scheduled and charter, passenger, cargo and mail services, as well as aircraft maintenance. Its main bases were Tsentralny Ai ...

* N3, European large goods vehicles above 12 tonnes

Science and technology

Haplogroup N (Y-DNA) Haplogroup N (M231) is a Y-chromosome DNA haplogroup defined by the presence of the single-nucleotide polymorphism (SNP) marker M231. It is most commonly found in males originating from northern Eurasia. It also has been observed at lower fre ...

, a former human Y-chromosomal haplogroup, now N1c * n-3,

Omega-3 fatty acid Omega−3 fatty acids, also called Omega-3 oils, ω−3 fatty acids or ''n''−3 fatty acids, are polyunsaturated fatty acids (PUFAs) characterized by the presence of a double bond, three atoms away from the terminal methyl group in their che ...

* N₃⁻, an azide anion in chemistry * N3 Lung cancer, metastasis to certain lymph nodes * N₃, the genus three non orientable

surface A surface, as the term is most generally used, is the outermost or uppermost layer of a physical object or space. It is the portion or region of the object that can first be perceived by an observer using the senses of sight and touch, and is t ...

* N3, ''cis''-bis(isothiocyanato)bis(2,2'-bipyridyl-4,4'-dicarboxylato)ruthenium(II), a red dye in dye-sensitized solar cells *N3, abbreviation for the 3 nanometer process node in semiconductor technology

Other

N3 (Calgary) N3 is a condominium building in Calgary, Alberta. It is Calgary's first parking-free condominium. Located in the East Village, it is in close proximity to the CTrain and Downtown. The building consists of 167 units, which would normally require 100 ...

, condominium building * N3 (NHS), the national broadband network for the English National Health Service * Notation3, or N3 rules, a textual notation for the Resource Description Framework * N3, the third level of the

Japanese-Language Proficiency Test The , or JLPT, is a standardized criterion-referenced test to evaluate and certify Japanese language proficiency for non-native speakers, covering language knowledge, reading ability, and listening ability. The test is held twice a year in Japan ...

* N3, the most recent version of the

Nagravision Nagravision (or Nagra Kudelski or simply Nagra) is a company of the Kudelski Group that develops conditional access systems for digital cable and satellite television. The name is also used for their main products, the Nagravision encryption syst ...

conditional access system for cable and satellite television * N3, a postcode district in the

N postcode area N, or n, is the fourteenth letter in the Latin alphabet, used in the modern English alphabet, the alphabets of other western European languages and others worldwide. Its name in English is ''en'' (pronounced ), plural ''ens''. History ...

in London * N3, the former name of NDR Fernsehen, a German television channel

Roads

Transportation

Science and technology

Other

See also