16 Squadron or 16th Squadron may refer to:
- No. 16 Squadron (Finland), a unit of the Finnish Air Force
- No. 16 Squadron PAF, a fighter squadron of the Pakistan Air Force
- 16 Squadron SAAF, a unit of the South African Air Force
- No. 16 Squadron RNZAF, a unit of the Royal New Zealand Air Force
- No. 16 Squadron RAF, a unit of the United Kingdom Royal Air Force
- 16 Tank Transporter Squadron (United Kingdom), a unit of the British Army
- 16th Airlift Squadron, a unit of the United States Air Force
- 16th Space Control Squadron, a unit of the United States Air Force
- 16th Special Operations Squadron, a unit of the United States Air Force
- 16th Weapons Squadron, a unit of the United States Air Force
- Marine Aviation Logistics Squadron 16, a unit of the United States Marine Corps
- 16th Reconnaissance Squadron of Anti-Aircraft Artillery, a unit of the Yugoslav Air Force