| Dates: | 12–16 December |
| Number Edition: | 8 |
| Prize Money: | 176050 |
| Location: | Denpasar, Bali, Indonesia |
| Previous: | 1989 |
| Next: | 1991 |
The 1990 World Badminton Grand Prix was the eighth edition of the World Badminton Grand Prix finals. It was held in Denpasar, Bali, Indonesia, from December 12 to December 16, 1990.
| Category | Winners | Runners-up | Score | |
|---|---|---|---|---|
| Men's singles | Eddy Kurniawan | Rashid Sidek | 18–13, 9–15, 15–2 | |
| Women's singles | Susi Susanti |  Tang Jiuhong | 8–11, 11–5, 12–10 | |
| Men's doubles | Eddy Hartono & Rudy Gunawan | Cheah Soon Kit & Soo Beng Kiang | 15–6, 15–8 | |
| Women's doubles | Rosiana Tendean & Erma Sulistianingsih | Lai Caiqin & Yao Fen | 18–14, 15–10 | |
| Mixed doubles | Thomas Lund & Pernille Dupont | Jon Holst-Christensen & Grete Mogensen | 12–15, 15–9, 15–8 |