A17, A 17, A.17 or A-17 may refer to: A17 Cutty Sark, a 1930 British Saro aircraft A17 road, in several countries Aero A.17, a 1922 Czech sailplane ARM Cortex-A17, a microprocessor core Apple A17, a system on a chip mobile processor designed by Apple Samsung Galaxy A17, an Android-based smartphone from Samsung British NVC community A17 (Ranunculus penicillatus ssp. pseudofluitans community), a British Isles plant community Focke-Wulf A 17, an airliner Northrop A-17, an aircraft English Opening in chess (Encyclopaedia of Chess Openings code A17, among others) Subfamily A17, a rhodopsin-like receptors subfamily