| Dates: | 15 October 1970– 18 October 1970 |
| Number Edition: | 37th |
| Venue: | Singapore Badminton Hall |
| Location: | Geylang, Singapore |
| Ms: | Muljadi |
| Country Ms: | INA |
| Ws: | Intan Nurtjahja |
| Country Ws: | INA |
| Md1: | Indra Gunawan |
| Country Md1: | INA |
| Md2: | Indratno |
| Country Md2: | INA |
| Wd1: | Retno Koestijah |
| Country Wd1: | INA |
| Wd2: | Minarni |
| Country Wd2: | INA |
| Xd1: | Ng Boon Bee |
| Country Xd1: | MAS |
| Xd2: | Sylvia Ng |
| Country Xd2: | MAS |
| Previous: | 1969 |
| Next: | 1971 |
The 1970 Singapore Open, also known as the 1970 Singapore Open Badminton Championships, took place from 15 to 18 October 1970 at the Singapore Badminton Hall in Singapore.[1]
| Category | Winners | Runners-up | Score | |
|---|---|---|---|---|
| Men's singles | Muljadi | Darmawan | 18–16, 15–8 | |
| Women's singles | Intan Nurtjahja | Utami Dewi | 11–3, 11–5 | |
| Men's doubles | Indra Gunawan & Indratno | 15–10, 15–7 | ||
| Women's doubles | Retno Koestijah & Minarni | 15–11, 15–4 | ||
| Mixed doubles | Ng Boon Bee & Sylvia Ng | 15–11, 15–12 |