2 Squadron may refer to:
Air force units No. 2 Squadron RAAF, Australia No. 2 Security Forces Squadron RAAF, Australia No. 2 Squadron RCAF, Canada No. 2 Squadron IAF, India 2nd Squadron (Iraq) 2nd Squadron (JASDF), Japan No. 2 Squadron RJAF, Jordan No. 2 Squadron RNZAF, New Zealand No. 2 Squadron PAF, Pakistan 2 Squadron SAAF, South Africa No. 2 Squadron SLAF, Sri Lanka No. 2 Squadron RAF, United Kingdom No. 2 Squadron RFC, which became No. 2 Squadron RAF in 1918 No. II Squadron RAF Regiment, United Kingdom 2d Airborne Command and Control Squadron, United States 2nd Airlift Squadron, United States 2nd Air Refueling Squadron, United States 2nd Air Rescue Squadron, United States 2nd Air Support Operations Squadron, United States 2d Aeromedical Evacuation Squadron, United States 2d Antisubmarine Squadron, United States 2nd Bombardment Squadron, United States 2d Command and Control Squadron, United States 2nd Fighter Squadron, United States 2d Fighter Squadron (Commando), United States 2d Reconnaissance Squadron (disambiguation), several units of the United States 2nd Space Launch Squadron, United States 2nd Space Operations Squadron, United States 2nd Special Operations Squadron, United States 2d Systems Operations Squadron, United States
Naval units 2nd Battle Squadron, United Kingdom 2nd Frigate Squadron (United Kingdom) 2nd Battlecruiser Squadron, United Kingdom