A14

A14, A.14 or A-14 is a three-letter acronym that may refer to:
* A-14 Shrike, a 1930s-era military airplane
* ATC code A14
* Aero A.14, a Czech reconnaissance aircraft built after World War I
* Fiat A.14, a 1917 Italian 12-cylinder, liquid-cooled, V aero engine
* HMNZS Resolution (A-14), a 1989 hydrographic ship of the Royal New Zealand Navy
* HMS A.14, a alternate name for HMS B1 submarine of the British Royal Navy
* Nissan A engine#A14 - The Engine that Powered Millions, a Nissan car engine and also :
* One of the Encyclopaedia of Chess Openings codes for the English Opening in chess

Roads

* A14 road (England), a major road
* A14 highway (Lithuania)
* A14 autoroute, a French motorway
* Autostrada A14 (Italy)
* A014, National Route A014 (Argentina)
* a national road in Latvia