Electronics
* ARM Cortex-A8, a processor used in mobile devices * Apple A8, a 64-bit system on a chip (SoC) designed by Apple Inc. *AMD A8, an AMD APU * Samsung Galaxy A8, various smartphones * Atari 8-bit computers, a series of 8-bit home computersMilitary
* Curtiss A-8, a United States attack aircraft used in the 1930s * General Dynamics General_Dynamics_Model_100, Model 100, a development project which may have entered service as the A-8A * A8, the military staff designation in the Staff_(military)#Continental Staff System, continental staff system for air force headquarters staff concerned with finance * A8, a model of German Aggregate (rocket family)#A8, Aggregate Series Rocket from World War II * A 8, a list of Swedish artillery regiments, Swedish artillery regimentTransport, vehicles and vessels
* Arrows A8, a 1985 British racing car * Audi A8, a flagship full-sized luxury sedan * , an A-class submarine of Britain's Royal Navy * LNER Class A8, a British 4-6-2T steam locomotive classAir transport
* Curtiss A-8, a United States attack aircraft used in the 1930s * A08, the FAA Location Identifier for Vaiden Field * A8, the aircraft registration prefix for Liberia * A8, the IATA code for Benin Golf Air airlinesOther uses
* A8 (classification), an amputee sport classification * ATC code A08 ''Antiobesity preparations, excluding diet products'', a subgroup of the Anatomical Therapeutic Chemical Classification System * A08, Encyclopaedia of Chess Openings code for Réti Opening * A8, in the aquatic communities in the British National Vegetation Classification system * A8, an ISO 216 international standard paper size * A8 road, in several countries * Subfamily A8, in the rhodopsin-like receptors subfamily of proteins * The A8 countries, short for "accession eight", the ex-communist European countries that acceded to the EU in 2004 *''Asphalt 8'', a Gameloft mobile racing game * "A8", song by Black Eyed Peas from ''Behind the Front''See also
*8A (disambiguation) {{Letter-NumberCombDisambig