A class or A-class may refer to:

• Mercedes-Benz A-Class, a range of subcompact automobiles
• A class destroyer (1913), heterogeneous group of British torpedo boat destroyers built in the mid-1890s
• A class destroyer, British destroyers of World War II
• A class torpedo boat, German torpedo boats of World War I
• A class submarine, five navies have had six classes of submarines referred to as "A class"
• A class or Frankenthal class mine hunter of the Turkish Navy
• A Class (album), studio album by South Korean girl group miss A

Locomotives and trams

• NZR A class (1873), class of tank engines operated by the New Zealand Railways Department
• NZR A class (1906), class of tender engines operated by the New Zealand Railways Department
• CI A class or CIE 001 Class (1955), a class of Co-Co diesel locomotives used by Coras Iompair ireann (The Irish Transport Company)
• A class Melbourne tram, a single unit bogie tram that operates in Melbourne
• V/Line A class, a locomotive that operates in Victoria, Australia
• Victorian Railways NA class, the "N" standing for narrow gauge.

See also

• Class A (disambiguation)

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