N class

N class or Class N may refer to:


 * N-class destroyer, a class of British Royal Navy ships
 * NZR N class, a class of steam locomotives used by the New Zealand Railways Department and the Wellington and Manawatu Railway
 * SECR N class, a type of steam locomotive designed in 1914 for use on the South Eastern and Chatham Railway (SECR)
 * V/Line N class, a class of diesel locomotives built in Somerton, Victoria
 * Westrail N class, a class of Australian diesel locomotives
 * United States N-class submarine, a class of US Navy submarines
 * N-class blimp, a class of US Navy blimps
 * N-class ferry, a class of Canadian ferries
 * Victorian Railways N class steam locomotive
 * N-class Melbourne tram
 * N-class Sydney tram