No. 273 Squadron RAF was a Royal Air Force squadron formed as reconnaissance unit in World War I, and re-formed in World War II in Ceylon (Sri Lanka) - initially as a torpedo bomber and reconnaissance unit. In mid 1944 the squadron was re-equipped with Spitfire Mk VIIIs and flew and fought out of airfields in India and Burma. Following the end of the war, the squadron was moved first to Siam (Thailand), and then later, French Indo-China (Vietnam). It was re-equipped with Spitfire Mk XIVs in November 1945. The squadron was disbanded at the end of January 1946.