A14, A.14 or A-14 is a three-letter acronym that may refer to:

• A-14 Shrike, a 1930s-era military airplane
• Aero A.14, a Czech reconnaissance aircraft built after World War I
• ATC code A14, a division of the Anatomical Therapeutic Chemical Classification System
• British NVC community A14 , a British ISles plant community
• Fiat A.14, a 1917 Italian 12-cylinder, liquid-cooled, V aero engine
• HMNZS Resolution , a 1989 hydrographic ship of the Royal New Zealand Navy
• HMS A.14, an 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:

• Subfamily A14, a rhodopsin-like receptors subfamily
• One of the Encyclopaedia of Chess Openings codes for the English Opening in chess

Roads

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