A7

A7, A.7, A 7, A07 or A-7 may refer to:

Music

 * A7, the A dominant seventh chord used in many rock songs, see dominant seventh chord
 * A (musical note)
 * A7 (mixtape), by SCH, 2015
 * Avenged Sevenfold, a hard rock/metal band

Radio stations

 * Arutz Sheva, an Israeli radio station meaning Channel Seven

Electronics and software

 * A7, a type of stereoautograph
 * Altec Lansing A-7, a speaker
 * Apple A7, a system on a chip used first in the iPhone 5S
 * ARM Cortex-A7, a processor in the ARM Cortex-A processor family
 * Samsung Galaxy A7, a smartphone
 * Sony α7, a family of full-frame mirrorless interchangeable-lens cameras.

Equipment

 * A-7 (transceiver), a Soviet VHF radio transceiver developed during World War II
 * Skoda 37 mm A7, a tank gun produced before and during World War II by the Skoda Works

Groups

 * A7 (Artillery Regiment)
 * A7, the military staff designation in the continental staff system for air force headquarters staff concerned with military training

Vehicles

 * A7, a model of German Aggregate Series Rocket from World War II
 * A-7 Corsair II, a Ling-Temco-Vought single engine jet attack aircraft
 * Antonov A-7, a World War II Soviet assault glider
 * Breda A.7, a 1929 Italian reconnaissance aircraft
 * Focke-Wulf A 7, a World War I German aircraft
 * Hall-Scott A-7, an early aircraft engine
 * HMS A7, an A-class submarine of the Royal Navy
 * USS Shark (SS-8), a.k.a. USS A-7, a Plunger-class submarine of the United States Navy

Science

 * ATC code A07 Antidiarrheals, intestinal anti-inflammatory/anti-infective agents, a subgroup of the Anatomical Therapeutic Chemical Classification System
 * British NVC community A7 (Nymphaea alba community), a British Isles plant community
 * Noradrenergic cell group A7
 * Subfamily A7, a Rhodopsin-like receptors subfamily

Sports

 * A7 (classification), an amputee sport classification
 * A type of Réti Opening code for Chess (A07)

Companies

 * Air Comet, its IATA airline designator
 * Autobacs Seven, a Japanese sports car manufacturer

Automobiles

 * Arrows A7, a British racing car
 * Audi A7, a German mid-size coupe

Roads and routes

 * A7 road, in several countries
 * Route A7 (WMATA), a bus route operated by the Washington Metropolitan Area Transit Authority

Trains

 * LNER Class A7, a class of British 4-6-2T steam locomotives

Other uses

 * A7, an ISO 216, international standard paper size, 74×105 mm
 * A7 (bar), bar in New York City
 * Sako A7, a Finnish bolt-action rifle