A70

A70 or A-70 may refer to:


 * A70 road (Great Britain), a major road in the United Kingdom
 * Autovía A-70, a Spanish motorway
 * Benoni Defense, in the Encyclopaedia of Chess Openings
 * Bundesautobahn 70, a German motorway also called A 70
 * Quebec Autoroute 70, a Canadian highway in the Saguenay region of central Quebec
 * Samsung Galaxy A70, smartphone released in 2019
 * The third generation of the Toyota Supra