A10

A10, A.10 or A-10 may refer to:

Companies

• A10 Networks, a provider of network load-balancing solutions

Military

• Fairchild Republic A-10 Thunderbolt II, a combat aircraft flown by the United States Air Force
• Aero A.10, a Czech military aircraft built after World War I
• Aggregate 10-rocket designed by Germany in World War II
• Breda A.10, a 1928 Italian single-seat fighter-trainer prototype
• Cruiser Mk II, also known by its General Staff designation "A10", a British cruiser tank of World War II
• HMS A10, a British A class submarine
• a Swedish regiment, according to the list of Swedish artillery regiments

Science and technology

• ATC code A10 Drugs used in diabetes, a subgroup of the Anatomical Therapeutic Chemical Classification System
• British NVC community A10 (Polygonum amphibium community), a British Isles plant community
• HLA-A10, a broad antigen serogroup of the Human MHC HLA-A
• Homeobox A10, a human gene
• Subfamily A10, a Rhodopsin-like receptors subfamily

Sports and games

• A10, English Opening, Encyclopaedia of Chess Openings
• A10, Atlantic 10 Conference
• A-10 Attack!, a combat flight simulator for the Apple Macintosh computer
• A-10 Cuba!, a flight simulator computer game
• A-10 Tank Killer, a flight simulation computer game for Amiga and DOS platforms
• A10 World Series, a proposed new global motorsport series

Transportation

Aviation

• Aero A.10, a Czech biplane airliner
• AmeriPlanes Mitchell Wing A-10, an ultralight aircraft
• Fiat A.10, a World War I Italian 6-cylinder, liquid-cooled, in-line aero engine

Cars

• Arrows A10, a 1987 British racing car
• Ascari A10, a British car

Rail transport

• A10 class locomotive

Roads

• A10 road (disambiguation)

Transportation lines 

• Cityflyer Route A10 of Hong Kong
• London Buses route A10

Other

• A10, a ISO 216 paper size
• A10, the Metropolitan police anti-corruption branch set up by Sir Robert Mark.
• A10 - new European architecture, an architecture magazine published in Amsterdam