A16, A 16 A.16 or A-16's a three-letter acronym that may refer to:* British NVC community A16 (Callitriche stagnalis community), a British Isles plant community ATC code A16, a division of the Anatomical Therapeutic Chemical Classification System Focke-Wulf A.16, a 1926 German three-four passenger light transport monoplane and also : Subfamily A16, a rhodopsin-like receptors sub family One of the Encyclopaedia of Chess Openings codes for the English Opening in chess Protests on April 16 of… (More on A16)