A13

• ATC code A13 Tonics, a subgroup of the Anatomical Therapeutic Chemical Classification System • British NVC community A13 (Potamogeton perfoliatus - Myriophyllum alterniflorum community) • Subfamily A13, a rhodopsin-like receptors subfamily ==Transportation==

• A13 road, in several countries • Archambault A13, a French sailboat design • Antonov A-13, a 1958 Soviet acrobatic sailplane • Chery A13, a subcompact car • , a British A-class submarine of the Royal Navy • Northrop YA-13, a 1930s American attack aircraft prototype • A-13 (tank), the General Staff specification covering three British cruiser tanks designed and built before and during the Second World War • Cruiser Mk III • Cruiser Mk IV • Covenanter tank == Other uses ==

• A13, one of the Encyclopaedia of Chess Openings codes for the English Opening in chess • Apple A13, a system on a chip mobile processor designed by Apple • Samsung Galaxy A13, a smartphone manufactured by Samsung Electronics