4th Artillery Regiment

4th Artillery Regiment may refer to:

Australia

 * 4th Regiment, Royal Australian Artillery
 * 2/4th Field Regiment (Australia)
 * 2/4th Anti-Tank Regiment (Australia)

Italy

 * 4th Anti-Aircraft Artillery Regiment "Peschiera"
 * 4th Heavy Field Artillery Regiment (Italy)
 * 4th Mountain Artillery Regiment (Italy)

United Kingdom

 * 4th Regiment Royal Artillery
 * 4th Searchlight Regiment, Royal Artillery/Royal Malta Artillery
 * 4th Lancashire Artillery Volunteers

United States

 * 4th Air Defense Artillery Regiment
 * 4th Field Artillery Regiment
 * 4th Continental Artillery Regiment
 * 4th Massachusetts Heavy Artillery Regiment

Other countries

 * 4th Artillery Regiment (General Support), Royal Canadian Artillery
 * 4th Field Regiment (New Zealand)
 * 4th Medium Regiment, Royal New Zealand Artillery
 * 4th Artillery Regiment (Portugal)