A6

A6, A 6 or A-6 can refer to:

Arts and entertainment

 * A6, a mutated flu virus in the short story "Night Surf" by Stephen King
 * A-6, a renamed version of the US Security Group in the 1997 comic book movie Spawn

Electronics and software

 * A6 record, a type of DNS record
 * Apple A6, a System-on-a-chip ARM processor
 * Hanlin eReader A6, an ebook reader
 * Samsung Galaxy A6, a smartphone by Samsung

Military

 * A6, the designation for air force headquarters staff concerned with signals, communications, or information technology
 * In the United Kingdom, the A6 Air CIS (Computers & Information Systems) branch, also known as JFACHQ, UK Joint Force Air Component Headquarters
 * A 6, a Swedish artillery regiment
 * Grumman A-6 Intruder, a twin-engine, mid-wing all-weather US Navy medium attack aircraft manufactured by Grumman, in service from 1962 to 1997

Biology

 * British NVC community A6 (Ceratophyllum submersum community), a British Isles plants community
 * Noradrenergic cell group A6
 * Subfamily A6, a subfamily of Rhodopsin-like receptors
 * Xenopus A6 kidney epithelial cells in cell culture

Civil aviation transport

 * A6, the IATA code for Air Alps Aviation
 * United Arab Emirates aircraft registration code

Civilian aircraft

 * Focke-Wulf A6, a 1930s civilian aircraft from the German Focke-Wulf company

Automobiles

 * Arrows A6, a British racing car
 * Audi A6, a German executive car
 * Changhe A6, a Chinese compact sedan
 * JAC Refine A6, a Chinese mid-size sedan concept
 * Maserati A6, an Italian sports coupe series

Roads and routes

 * A6 road, in several countries
 * Route A6 (WMATA), a bus route operated by the Washington Metropolitan Area Transit Authority\

Watercraft

 * A-6, formerly USS Porpoise (SS-7), a Plunger-class submarine of the United States Navy
 * HMS A6, a British A-class submarine of the Royal Navy

Other

 * Prussian A 6, a 1913 German railbus
 * A6, an aggregate series (A1 to A12) German rocket design in World War II, never implemented
 * LNER Class A6, a class of 4-6-2T locomotives

Other uses

 * A6 (classification), an amputee sport classification
 * A-6 tool steel, an air-hardening SAE grade of tool steel
 * A6, an ISO 216 international standard paper size (105×148 mm)
 * A6, or A (musical note) above soprano C, the highest note written or acknowledged as musical in classical music
 * ASICS, a footwear company whose name and logo resemble A6

A06

 * A.06, a track title on Linkin Park Underground Linkin Park fan club compilation
 * A06 (band), a Massachusetts-based rock band associated with multi-instrumentalist Casey Crescenzo
 * ATC code A06 Laxatives, a subgroup of the Anatomical Therapeutic Chemical Classification System
 * HMNZS Monowai (A06), a 1975 Royal New Zealand Navy hydrographic survey vessel
 * Réti Opening code in the Encyclopaedia of Chess Openings