A13

A13 or A-13 may refer to:

• 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

• A13 road, in several countries
• Archambault A13, a French sailboat design
• Antonov A-13, a 1958 Soviet acrobatic sailplane
• Chery A13, a subcompact car
• HMSA13, 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

• English Opening in chess (Encyclopaedia of Chess Openings code A13, among others)
• Apple A13, a system on a chip mobile processor designed by Apple
• Samsung Galaxy A13, a smartphone manufactured by Samsung Electronics