The A2 is the name for motorways in many countries:
- In Germany the A2 from the Ruhr Area to Berlin.
- In the Netherlands the A2 from Amsterdam to Belgium.
- In Romania the A2 (Sun's Motorway) from Bucharest to Constanţa (75% completed).
- In France the A2 from Valenciennes to A1.
This disambiguation page lists articles associated with the same title.