N18 may refer to:

Roads

N18 road (Belgium) N18 may refer to: Roads * N18 road (Belgium), a List of National Roads in Belgium, National Road of Belgium * Route nationale 18, in France * N18 road (Ireland) * A18 motorway (Netherlands) * N18 (South Africa) * Nebraska Highway 18, in the Unite ...

, a National Road of Belgium *

Route nationale 18 The route nationale 18 (RN18) is a trunk road ( nationale) in north east France. The RN 18 was constructed in 1959. Étain to Longwy (0-49km) The road begins at Étain at a junction with the N3, heads north to Longuyon and then turns northeas ...

, in France * N18 road (Ireland) *

A18 motorway (Netherlands) This is a list of roads designated A18. Roads are sorted in the countries alphabetical order. * A18 motorway (Belgium), a road connecting Bruges and Dunkirk, France * A18 motorway (Italy), a road connecting Messina and Catania in Sicily * A18 hi ...

N18 (South Africa) The N18 is a national route in South Africa which runs from Warrenton through Vryburg and Mahikeng to Ramatlabama on the border with Botswana. The N18 National Route of South Africa is part of Trans-African Highway Network no. 4 (Cairo-Cape To ...

Nebraska Highway 18 Nebraska Highway 18 is a highway in southwestern Nebraska. It has a western terminus in Curtis at Nebraska Highway 23. Its eastern terminus is at an intersection with U.S. Highway 283 south of Elwood. The easternmost portion of the highway is ...

, in the United States

Other uses

BMW N18 Prince is the codename for a family of straight-four 16-valve all-aluminium gasoline engines with variable valve lift and variable valve timing developed by PSA Peugeot Citroën and BMW. It is a compact engine family of 1.4–1.6 L in dis ...

, an automobile engine *

Chronic kidney disease Chronic kidney disease (CKD) is a type of kidney disease in which a gradual loss of kidney function occurs over a period of months to years. Initially generally no symptoms are seen, but later symptoms may include leg swelling, feeling tired, vo ...

* , a submarine of the Royal Navy *

London Buses route N18 The London Night Bus network is a series of night bus routes that serve Greater London. Services broadly operate between the hours of 23:00 and 06:00. Many services commence from or operate via Trafalgar Square and are extensions or variations ...

Nissan Almera (N18) The Nissan Almera is a line of automobiles that has been manufactured by the Japanese car manufacturer Nissan since 1995. For its early generations, the Almera is a compact car ( C-segment), essentially being the European export-market version ...

, a Japanese automobile * Nitrogen-18, an isotope of nitrogen *

Tinak Airport Tinak Airport, , is a public use Airport#Airstrip, airstrip located in the village of Tinak on Arno Atoll, Marshall Islands. Facilities Tinak Airport is at an elevation of 4 feet (1.2 m) above mean sea level. The runway is designated 05/23 with ...

, on Arno Atoll, Marshall Islands * N18, a postcode district in the N postcode area {{Letter-NumberCombDisambig