N19 may refer to:

Roads

N19 road (Belgium) The N19 road is a national primary road in Ireland, connecting from the N18 Limerick–Ennis–Galway road to Shannon Airport. It forms part of European route E20. The route in its current form consists mostly of a dual-carriageway pas ...

, a National Road in Belgium *

Route nationale 19 The Route nationale 19 (N19) is a trunk road ( nationale) in north east France. The road forms part of European route E54. Reclassification The RN19 has been subsequently downgraded in several sections to the RD319 and RD619. Route Paris - Provi ...

, in France *

N19 road (Ireland) The N19 road is a national primary road in Ireland, connecting from the N18 Limerick–Ennis– Galway road to Shannon Airport. It forms part of European route E20. The route in its current form consists mostly of a dual-carriage ...

* Nebraska Highway 19, in the United States

Other uses

N19 (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 MTA Long Island Bus, except in Greater Long Beach, where that city operates its own bus service ...

Aztec Municipal Airport Aztec Municipal Airport (FAA LID/IATA: N19) is a public-use airport located two nautical miles (2 mi, 3.2 km) northwest of the central business district of Aztec, in San Juan County, New Mexico, United States. It is a general aviation airport w ...

, in Aztec, New Mexico, United States * , a submarine of the Royal Navy * London Buses route N19 *

Nitrogen-19 Natural nitrogen (7N) consists of two stable isotopes: the vast majority (99.6%) of naturally occurring nitrogen is nitrogen-14, with the remainder being nitrogen-15. Fourteen radioisotopes are also known, with atomic masses ranging from 10 to 25, ...

, an isotope of nitrogen * N19, a postcode district in the N postcode area {{Letter-NumberCombDisambig