N11

N11 or N-11 may refer to:

• N11, a postcode district in the N postcode area
• N11 code, special three-digit telephone numbers (such as 911) in the North American Numbering Plan.
• Next Eleven Emerging Economies designation proposed by Goldman Sachs.
• London Buses route N11

roads 

• N11 road (Belgium)
• N11 road (France)
• N11 road (Ireland)
• N11 road (Luxembourg)
• N11 road (Netherlands), part of the Rijksweg 11
• N11 road (South Africa), a road connecting Newcastle, Polokwane and the Botswana border
• N11 road (Switzerland)

other 

• Interstitial nephritis ICD-10 code