Class A may refer to:
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Communications technologyEdit
- Class-A amplifier, a category of electronic amplifier
- Class A network, in Internet technology, a type of large network
- Class A television service, a system for regulating low power stations in the United States
SportsEdit
- Class A (baseball), a level of American Minor League Baseball
- Class A (classification), a Paralympic wheelchair fencing classification
TransportationEdit
- Class A airfield, a type of World War II British military installation
- Class A surface, in automotive design
- Milwaukee Road class A, a class of steam locomotives
- Norfolk and Western Railway class A, a class of steam locomotives
- Class A, a type of commercial driver's license in the United States
- Class A, an ICAO airspace class
- Class A, a type of motorhome
Other usesEdit
- Class A (novel), a 2004 CHERUB novel by Robert Muchamore
- Class A drug, a classification of drugs controlled by the UK Misuse of Drugs Act
- Class A office space, a Building Owners and Managers Association category
- Library of Congress Classification:Class A -- General Works
- Class A, a stellar classification
- Class A, a retired type of United States Army Service Uniform
- Class A foams, a type of foam used in firefighting