| Dates: | 24 July 1990– 28 July 1990 |
| Number Edition: | 44th |
| Level: | 4S |
| Prize Money: | 90,000 |
| Venue: | Singapore Indoor Stadium |
| Location: | Kallang, Singapore |
| Ms: | Foo Kok Keong |
| Country Ms: | MAS |
| Ws: | Tang Jiuhong |
| Country Ws: | CHN |
| Md1: | Rudy Gunawan |
| Country Md1: | INA |
| Md2: | Eddy Hartono |
| Country Md2: | INA |
| Wd1: | Gillian Clark |
| Country Wd1: | ENG |
| Wd2: | Gillian Gowers |
| Country Wd2: | ENG |
| Xd1: | Jan-Eric Antonsson |
| Country Xd1: | SWE |
| Xd2: | Maria Bengtsson |
| Country Xd2: | SWE |
| Previous: | 1989 |
| Next: | 1991 |
The 1990 Singapore Open (also known as the Konica Cup) was a four-star badminton tournament that took place at the Singapore Indoor Stadium in Singapore, from July 24 to July 28, 1990.[1] The total prize money on offer was US$90,000.[2]
| Category | Winners | Runners-up | Score | |
|---|---|---|---|---|
| Men's singles | Foo Kok Keong |  Zhao Jianhua | 15–8, 10–15, 15–9 | |
| Women's singles | Tang Jiuhong |  Lee Young-suk | 12–9, 11–3 | |
| Men's doubles | Li Yongbo & Tian Bingyi | 15–4, 15–8 | ||
| Women's doubles | Gillian Clark & Gillian Gowers |  Maria Bengtsson & Christine Gandrup | 15–12, 15–13 | |
| Mixed doubles | Jan Eric Antonsson & Maria Bengtsson | 9–15, 15–10, 15–7 |