| Dates: | 13 August 1938– 3 December 1938 |
| Number Edition: | 10th |
| Venue: | Clerical Union Hall |
| Location: | Balestier, Singapore |
| Ms: | Wong Peng Soon |
| Country Ms: | Straits Settlements |
| Ws: | Waileen Wong |
| Country Ws: | Straits Settlements |
| Md1: | Chan Chim Bock |
| Country Md1: | Straits Settlements |
| Md2: | Wong Peng Soon |
| Country Md2: | Straits Settlements |
| Previous: | 1937 |
| Next: | 1939 |
The 1938 Singapore Open, also known as the 1938 Singapore Badminton Championships, took place from 13 August – 3 December 1938 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 13th of August[1] and the last (women's singles final) was played on the 3rd of December.[2] [3] [4] [5] There were no women's doubles and mixed doubles competition due to the lack of entries.[6]
| Category | Winners | Runners-up | Score | |
|---|---|---|---|---|
| Men's singles | Wong Peng Soon | Seah Eng Hee | 7–15, 15–10, 15–3 | |
| Women's singles | Waileen Wong | Alice Pennefather | 11–7, 12–11 | |
| Men's doubles | Chan Chim Bock & Wong Peng Soon | 16–21, 21–8, 21–17 |