No. 188 Squadron RAF
Active	20 Dec 1917 – 1 March 1919
Country	United Kingdom
Branch	Royal Air Force
Motto(s)	None
Insignia
Squadron Badge	None
Squadron Code	XD (Apr 1939 - Sep 1939)

No. 188 Squadron RAF was a Royal Flying Corps and Royal Air Force Squadron that was a night training unit towards the end of World War I.

The squadron formed at Throwley Aerodrome on 20 December 1917 to train night-fighter pilots and was equipped with Avro 504s. It also trained pilots to fly the Sopwith Camel and Sopwith Pup at night. It disbanded on 1 March 1919 and never reformed in later years, however a squadron code was allocated to it in 1939.

• No. 188 Squadron is depicted in the 1969 film The Battle of Britain led by Squadron Leader Canfield, played by Michael Caine.

No 188 squadron is also depicted in the film 'An Appointment in London' starring Dirk Bogarde & Dinah Sheridan.

• History of No.'s 186–190 Squadrons at RAF Web
• 188 Squadron history on the official RAF website