Q Class or Class Q may refer to:

Rail transport

* GNRI Class Q, a Great Northern Railway of Ireland locomotive class * NZR Q class (1878), a New Zealand Railways locomotive class * NZR Q class (1901), a New Zealand Railways locomotive class * SR Class Q, a British Southern Railway locomotive class * WAGR Q class (diesel) *

Q-class Melbourne tram The Q-class was a class of 24 trams built by the Melbourne & Metropolitan Tramways Board (MMTB). They were built as part of the MMTB's plan to quickly increase the size of its fleet at its Holden Street Workshops. Twenty were rebuilt for use on ...

Other uses

* Library of Congress Classification:Class Q -- Science * Q-class destroyer, a class of warships used by the Royal Navy, Royal Netherlands Navy, and Royal Australian Navy * '' Classical Quarterly'', abbreviated ''Class. Q.'' {{disambig