The 1940 Singapore Open, also known as the 1940 Singapore Badminton Championships, took place from 20 October – 14 December 1940 at the Clerical Union Hall in Balestier, Singapore. The ties were played over a few months with the first round ties being played on the 20 of October[1][2] and the last (men's doubles final) been played on 14 December.[3][4][5] There was no women's doubles competition due to the lack of entries.[1]
