Twelfth Army

• 12 Squadron (disambiguation)
• 12th Army (Austria-Hungary)
• 12th Army (German Empire)
• 12th Army (RSFSR)
• 12th Army (Russian Empire)
• 12th Army (Soviet Union)
• 12th Army (Wehrmacht)
• 12th Battalion (disambiguation)
• 12th Brigade (disambiguation)
• 12th Division (disambiguation)
• 12th Regiment (disambiguation)
• 12th Wing (disambiguation)
• Twelfth Army (Italy)
• Twelfth Army (Japan)
• Twelfth Army (United Kingdom)
• XII Corps (disambiguation)