A79 or A-79 may refer to:
A79 motorway (France) A79 road, a major road in the UK A79 motorway (Netherlands) Benoni Defense, in the Encyclopaedia of Chess Openings Calder Highway, in Victoria, Australia, designated A79 Chignik Lake Airport, an airport in Alaska, designated by the FAA LID "A79" .a79, a file extension for programming ARM microcontrollers