noncombustible A2-level, an education qualification in England, Wales and Northern Ireland A2 milk, a trademark of the A2 Corporation Radio Station A2, a radio station in Lithuania A-2 tool steel, an air-hardening SAE grade of tool steel A-2 visa, a document given to officials representing a foreign government inside the United States of America Agence de l'innovation industrielle (AII), a French governmental agency for technological projects Ann Arbor, Michigan, often referred to as A2 or A2 Bird's Opening's Encyclopaedia of Chess Openings code A2, an international standard paper size A2 or SAE 304, a grade of stainless steel for fasteners A2, a UK Town and Country Planning use class A II, a painting by László Moholy-Nagy, painted in 1924 Sea Area A2, a GMDSS system area YoRHa Type A No. 2, or A2, a character from the video game Nier: Automata See also 2A (disambiguation)