1st Aircraft Carrier Squadron (Royal Navy)

1st Aircraft Carrier Squadron
White Ensign
Active	1943 – 1947
Country	United Kingdom
Allegiance	British Empire
Branch	Royal Navy
Type	Squadron
Commanders
Notable commanders	Admiral of the Fleet Sir Philip Louis Vian, GCB, KBE, DSO & Two Bars

The 1st Aircraft Carrier Squadron was a formation of Royal Navy aircraft carriers assigned to the British Pacific Fleet in November 1943. They were: HMS Formidable, HMS Indomitable, HMS Victorious, HMS Illustrious and HMS Indefatigable. It was disbanded in 1947.