2 Squadron

2 Squadron may refer to:

Air Force

 * No. 2 Squadron RAF
 * No. 2 Squadron RAF Regiment
 * No. 2 Squadron RAAF
 * No. 2 Squadron RFC - which became No. 2 Squadron RAF in 1918
 * 2 Squadron RNZAF
 * 2 Squadron SAAF
 * No. 2 Squadron, Indian Air Force
 * 2nd Airlift Squadron - Polish Air Force
 * 2d Space Operations Squadron
 * No. 2 Airfield Defence Squadron RAAF
 * 2d Fighter Squadron
 * 2d Airlift Squadron

Naval Units

 * 2nd Battle Squadron (United Kingdom)
 * 2nd Frigate Squadron (United Kingdom)
 * 2nd Battlecruiser Squadron (United Kingdom)