42nd Division

• 42. Home Guard Infantry Division
• 42d Air Division
• 42nd (East Lancashire) Division
• 42nd Armoured Division (United Kingdom)
• 42nd Battalion (disambiguation)
• 42nd Brigade (disambiguation)
• 42nd Division (German Empire)
• 42nd Division (Imperial Japanese Army)
• 42nd Division (Spain)
• 42nd Group (disambiguation)
• 42nd Infantry Division (United States)
• 42nd Motor Rifle Division
• 42nd Regiment (disambiguation)
• 42nd Rifle Division (Soviet Union)
• 42nd Squadron (disambiguation)