3rd Battle Squadron 3rd Dragoon Guards 3rd Battlecruiser Squadron 3rd Panzer Army 3rd Carabiniers 3rd Marine Division 3rd (United Kingdom) Division List of wartime orders of battle for the British 3rd Division (1809–1945) 3rd Artillery Regiment "Pistoia" 3rd Canadian Division Third Battle of Kharkov 3rd Infantry Division (Wehrmacht) 3rd Infantry Brigade (United Kingdom) 3rd Gorkha Rifles 3rd Guards Army Battle of Daugavpils 3rd The King's Own Hussars 3rd Guards Infantry Division (German Empire) Battle of Avay 3rd County of London Yeomanry (Sharpshooters) 3rd Canadian Infantry Brigade 3rd Alabama Infantry Regiment 3rd Division (Imperial Japanese Army) Order of battle for the Battle of the Somme 3rd century 3rd …

Brigade (Australia) Battle of Bobdubi 3rd Vermont Infantry Regiment 3rd Light Horse Regiment (Australia) Battle of Red Banks 3rd Legions Infantry Division (Poland) 3rd Battalion, 5th Marines Battle of Radzymin (1944) 3rd/4th Cavalry Regiment (Australia) Battle of Galicia Battle of Radom Battle of Chonan 3rd Indiana Cavalry Regiment Battle of Saipan order of battle 3rd Battalion (Australia) Battle of Kowang-san Battle at the Harzhorn 3rd Tank Battalion 3rd Rhode

Island Heavy Artillery Regiment 3rd Maine Infantry Regiment 3rd Louisiana Infantry Regiment (Confederate) 3rd Guards Brigade (United Kingdom) Battle of Mukden 3rd Maryland Infantry Regiment Battle of Raseiniai 3rd Infantry Division (United States) 3rd Battalion, 3rd Marines Battle of Kells 3rd Parachute Division (Germany) Battle of Cēsis (1919) Battle of Charleroi 3rd Missouri Infantry Regiment (Union) 3rd Delaware Infantry Regiment Battle of Powder River 3rd Kentucky Infantry Regiment (Confederate) 3rd Battalion (Toronto Regiment), CEF 3rd Minnesota Infantry Regiment 3rd Marine Littoral Regiment 3rd Lig