42 Squadron

• 42 Radar Squadron
• 42nd Air Refueling Squadron
• 42nd Attack Squadron
• 42nd Battalion (disambiguation)
• 42nd Brigade (disambiguation)
• 42nd Division (disambiguation)
• 42nd Electronic Combat Squadron
• 42nd Expeditionary Airlift Squadron
• 42nd Flying Training Squadron
• 42nd Group (disambiguation)
• 42nd Regiment (disambiguation)
• 42nd Tactical Missile Squadron
• Marine Aviation Logistics Squadron 42
• No. 42 Squadron (Finland)
• No. 42 Squadron RAAF
• No. 42 Squadron RAF
• No. 42 Squadron RNZAF
• VA-42 (U.S. Navy)