N16 or N-16 may refer to:
Roads N16 road (Belgium), a National Road in Belgium Route nationale 16, in France N16 road (Ireland) Nebraska Highway 16, in the United States
Vehicles , a German submarine surrendered to the Royal Navy after the Second World War , a submarine of the Royal Navy Nieuport 16, a French First World War fighter aircraft Nissan Almera (N16), a Japanese automobile sold in Europe Nissan Bluebird Sylphy (N16), a Japanese automobile sold in Asia
Other uses N16 (Long Island bus) BMW N16, an automobile engine Centre Airpark, an airport in Centre Hall, Pennsylvania, United States London Buses route N16 Nagahoribashi Station, of the Osaka Metro Nitrogen-16, am isotope of nitrogen N16, a postcode district in the N postcode area