A8

A8, A08, A 8 or A-8 may refer to:
* Aggregate series#A8, a German rocket design in World War II, never realized
* ATC code A08, a division of the Anatomical Therapeutic Chemical Classification System
* Audi A8, a 1994 flagship luxury sedan
* Curtiss A-8, a United States attack aircraft used in the 1930s
* HMS "A8", an A-class submarine of the Royal Navy
* LNER Class A8, a British 4-6-2T steam locomotive

Roads, freeways, highways

; roads :
* A8 road (Scotland), connecting Edinburgh to Greenock
* A8 road (Zimbabwe), a road in Zimbabwe
* A008, National Route A008 (Argentina)

; motorways :
* A8 Auto-estrada do Oeste, a highway in Portugal, connecting Lisbon and Leiria via Caldas da Rainha
* A8 autoroute, a French motorway
* Autovía A-8, Autovía del Cantábrico, a motorway in the north of Spain that runs from Bilbao to Baamonde in Galicia
* Bundesautobahn 8, a German autobahn running from the luxembourgian to the Austrian border

; highways :
* A8 highway (Lithuania)
* Autostrada A8, a projected Polish highway
* , a state highway in Tasmania
* Western Highway, Victoria, and Dukes Highways in Australia, designated "A8" - links the cities of Adelaide and Melbourne
* a national road in Latvia

other uses

* A8, an international standard paper size (52×74 mm), defined in ISO 216
* A08, Encyclopaedia of Chess Openings code for Réti Opening
* A 6, a Swedish regiment, according to the list of Swedish artillery regiments
* The eight former Eastern European countries that acceded to the EU in 2004 (Accession Eight):Estonia, Latvia, Lithuania, Poland, Czech Republic, Slovakia, Hungary and Slovenia — see History of the European Union
* A8, the designation for air force headquarters staff concerned with finance
** In the United Kingdom, the JFACHQ - UK Joint Force Air Component Headquarters A8 - Finance and Budgets branch
* Benin Golf Air IATA code
* Liberia aircraft registration code