A40
# A40

A40 or A-40 may refer to:

## Roads

* A40 motorway (Canada), a road in Québec
* A40 motorway (France)
* A40 motorway (Germany)
* A40 road (Great Britain), a road connecting London and Fishguard, Wales
* A40 road (Northern Ireland), a road running from the L/Derry to Raphoe
* A40 road (Isle of Man), a primary road which connects the A3 with the A1

## Other uses

* A40, a Queen's Pawn Game, Encyclopaedia of Chess Openings code
* Antonov A-40, a Soviet flying tank design
* Archambault A40, a French sailboat design
* Archambault A40RC, a French sailboat design
* Austin A40, a car from the British Motor Corporation
   * Innocenti A40, variant of the Austin A40 produced by Innocenti
* Beriev A-40, an aircraft
* Samsung Galaxy A40, a midrange smartphone by Samsung
