A class or A-class may refer to:
Locomotives CIÉ A class or CIÉ 001 Class, a 1955 class of Co-Co diesel locomotives used by Córas Iompair Éireann (The Irish Transport Company) Metropolitan Railway A Class, a class of steam locomotives operated by the Metropolitan Railway MGWR Class A, a class of steam locomotives operated by the Midland Great Western Railway Milwaukee Road class A, a class of steam locomotives operated by the Milwaukee Road MRWA A class, a class of steam locomotives operated by the Midland Railway of Western Australia NBR A class, a class of steam locomotives operated by the North British Railway Norfolk and Western Class A, a class of steam locomotives operated by the Norfolk and Western Railway NZR A class (1873), a class of steam tank locomotives operated by the New Zealand Railways Department NZR A class (1906), a class of steam tender locomotives operated by the New Zealand Railways Department Silverton Tramway A class, a class of steam locomotives operated by the Silverton Tramway South Australian Railways A class, a class of steam locomotives operated by the South Australian Railways Tasmanian Government Railways A class, a class of steam locomotives operated by the Tasmanian Government Railways V/Line A class, a class of diesel locomotives that operates in Victoria, Australia Victorian Railways NA class, a class of narrow-gauge (hence "N") steam tank locomotives WAGR A class, 2-6-0 steam locomotives of the Western Australian Government Railways WAGR A class (diesel), locomotives of the Western Australian Government Railways
Trams A-class Melbourne tram, a single-unit bogie tram that operates in Melbourne, Australia
Boats A-class destroyer (1913), heterogeneous group of British torpedo boat destroyers built in the mid-1890s A-class destroyer (1929), British destroyers of World War II A-class torpedo boat, German torpedo boats of World War I A-class submarine (disambiguation), several classes of submarines A-class minehunter, ships of the Turkish Navy International A-class catamaran, a development class sailing catamaran for singlehanded racing International A Class, a class of radio-controlled sailing yacht
Other uses A Class (album), studio album by South Korean girl group miss A A-segment, a European vehicle size class Mercedes-Benz A-Class, a range of subcompact hatchbacks and sedans A class (schools), system of categorizing school for sport competitions WikiProject#WikiProjects and assessments of article importance and quality, on Wikipedia See also Class A (disambiguation) A type (disambiguation) A series (disambiguation) Class (disambiguation)