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 Science and technology 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 Transportation 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 , a Plunger-class submarine of the United States Navy , 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