N14

N14 may refer to:

Roads

 * N14 road (Belgium), a a national road in Belgium
 * Route nationale 14, in France
 * N14 road (Ireland)
 * N14 expressway (Netherlands)
 * N14 (South Africa)
 * A14 motorway (Switzerland)
 * Nebraska Highway 14, in the United States

Vehicles

 * LNER Class N14, a class of British steam locomotives
 * Nissan Pulsar (N14), a Japanese automobile
 * HMS Porpoise (N14), a submarine of the Royal Navy

Other uses

 * N14 (Long Island bus)
 * BMW N14, an automobile engine
 * Flying W Airport in Burlington County, New Jersey, United States
 * Nitrogen-14, an isotope of nitrogen
 * N14, a postcode district in the N postcode area