N3

N3 , N 3 or N-3 denotes:

the former name of NDR television ,
Notation 3 (computer science) ,
Tri-nitrogen (N ₃ )
Pack size N3 of medicinal products, see pack size labeling
N3 Engine Overhaul Services GmbH & Co. KG, a joint venture between Lufthansa and Rolls-Royce for the maintenance of engines in Arnstadt
an international motor vehicle classification, see motor vehicle
a type of locomotive from Lokomotivbau Karl Marx Babelsberg, see LKM N3

N3 is the name for the following streets:

in Switzerland the national road N3, see A3 (Switzerland)
in France the Route nationale 3
in Belgium the national road N3 (Belgium) from Brussels to Leuven – Liège – Aachen (D)
in the Netherlands on Rijksweg 3
in Luxembourg the national road N3 (Luxembourg) from Luxembourg to Frisange
in Burkina Faso the national road N3 (Burkina Faso)
in Gabon the trunk road N3 (Gabon)
in Cameroon the trunk road N3 (Cameroon)
in Congo the trunk road N3 (Democratic Republic of the Congo)
in Niger the trunk road N3 (Niger)
in Senegal the national road N 3 (Senegal)
in South Africa the National Route 3 from Johannesburg to Durban

N III stands for: