N11

N11 or N-11 may refer to:

Roads

 * N11 (South Africa)
 * N11 highway, Philippines
 * N11 motorway (Netherlands)
 * N11 road (Ghana)
 * N11 road (Ireland)
 * Nebraska Highway 11, United States
 * Route nationale 11, France

Other uses

 * N11 (emission nebula)
 * HMS Thorn (N11), a submarine of the Royal Navy
 * Intel i860 XP, a microprocessor
 * Interstitial nephritis
 * LNER Class N11, a class of British steam locomotives
 * London Buses route N11
 * N11 code, special telephone numbers in the North American Numbering Plan
 * Next eleven, a group of emerging economies proposed by Goldman Sachs
 * Nieuport 11, a French World War I fighter
 * Nissan Pulsar (N11), a Japanese car
 * Nitrogen-11, an isotope of nitrogen
 * North Springs station, a MARTA station in Sandy Springs, Georgia
 * N11, a postcode district in the N postcode area of North London