List of A18 roads
# List of A18 roads

This is a list of roads designated A18. Roads are sorted in the countries alphabetical order.

* A18 motorway (Belgium), a road connecting Bruges and Dunkirk, France
* A18 motorway (Italy), a road connecting Messina and Catania in Sicily
* A18 highway (Lithuania), a road around Šiaulių
* A18 road (Malaysia), a road in Perak connecting Bota Bota Kanan and Kampung Sungai Mengkuang
* A18 motorway (Netherlands), a road connecting Zevenaar and Varsseveld
* A18 autostrada (Poland), a planned road connecting Olszyna at the Polish-German border and the junction with the A4 motorway
* A 18 road (Sri Lanka), a road connecting Pelmadulla and Nonagama
* A18 motorway (Switzerland), a road connecting Basel and Reinach BL
* A18 road (United Kingdom) may refer to:
   * A18 road (England), a road connecting Doncaster, South Yorkshire and Ludborough, Lincolnshire
   * A18 road (Isle of Man) or Snaefell Mountain Road, a road used for the Isle of Man TT Races
* A18 road (United States of America) may refer to:
   * A18 road (California), a road connecting SR 273 (and Interstate 5 and SR 299) in Redding and Shasta Dam
