A6, A 6 or A-6 may 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 A6 (album), by Lights
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 UK, 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
Civilian aircraft Focke-Wulf A6, a 1930s civilian aircraft from the German Focke-Wulf company
Other uses in civil aviation transport Air Alps Aviation (IATA code "A6") United Arab Emirates aircraft registration code
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 US 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 A6 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 A6 Center, since 2017 renamed Asecs, a shopping mall in Jönköping, Sweden 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 , a 1975 Royal New Zealand Navy hydrographic survey vessel Réti Opening code in the Encyclopaedia of Chess Openings
See also 6A (disambiguation)