N55 may refer to:

Bus routes

N55 (Long Island bus) The following bus routes are operated in Nassau County, New York. Most of these routes are operated under Nassau Inter-County Express (NICE), formerly Metropolitan Transportation Authority, MTA Long Island Bus, except in Greater Long Beach, New Yo ...

London Buses route N55 The London Night Bus network is a series of Night bus service, 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 exten ...

Roads

N55 road (Ireland) The N55 road is a national secondary road in Ireland linking Athlone to Cavan town. Athlone - Ballymahon upgrade In October 2017, a public consultation began into the re-routing of the Athlone to Ballymahon section of the road. The route affec ...

Indus Highway The Indus Highway ( ur, ), also known as National Highway 55 (N-55) ( ur, ), is a 1264 km long two to four-lane national highway that runs along the Indus River in Pakistan connecting the port city of Karachi with the northwestern city ...

, in Pakistan *

Romulo Highway The Romulo Highway or Tarlac–Pangasinan Road, (formerly National Highway 13) is a major highway in the Philippines that connects the provinces of Tarlac and Pangasinan. The highway is named after Filipino diplomat, politician, soldier, jour ...

, in the Philippines

Other uses

BMW N55 The BMW N55 is a turbocharged straight-six petrol engine that began production in 2009. The N55 replaced the BMW N54 engine and was introduced in the F07 5 Series Gran Turismo. The N55 was BMW's first straight-six engine to use a twin-scroll t ...

, an automobile engine * , a submarine of the Royal Navy *

Jaluit Airport Jaluit Airport is a public use airstrip located one nautical mile (1.85 km) southwest of the village of Jabor on Jaluit Atoll, Marshall Islands. This airstrip is assigned the location identifier N55 by the FAA and UIT by the IATA. Faciliti ...

, on Jaluit Atoll, Marshall Islands *

Nikon N55 The F55 (or N55 as it is known in the U.S.) is a 35mm film SLR autofocus camera introduced by Nikon (, ; ), also known just as Nikon, is a Japanese multinational corporation headquartered in Tokyo, Japan, specializing in optics and imaging ...

, a camera {{Letter-NumberCombDisambig