4A

4A or IV-A may refer to :4A, Ararat International Airlines' IATA airline designator 4A, a series of Toyota A engine produced by Toyota Motor Corporation (1982-2002) 4A Centre for Contemporary Asian Art, Sydney, Australia 4A Engine, a video game engine developed by 4A Games 4A Games, a video game development company in Ukraine Associated Actors and Artistes of America, also known as 4As, federation of American trade unions Calabarzon or Region IV-A, a Region in the Philippines Pixel 4a, an Android smartphone Vermont Route 4A, a highway in Vermont, U.S. Zeolite 4A, a sodium-type molecular sieve