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)