Class A may refer to:

• 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

• Class A (baseball), a level of American Minor League Baseball
• Class A (classification), a Paralympic wheelchair fencing classification

• 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

• 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

• A class (disambiguation)
• Class B (disambiguation)

This disambiguation page lists articles associated with the title Class A.
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