The 1989 World Badminton Grand Prix was the seventh edition of the World Badminton Grand Prix finals. It was held in Singapore, from December 6 to December 10, 1989.
| Category | Winners | Runners-up | Score |
|---|---|---|---|
| Men's singles | Xiong Guobao | Foo Kok Keong | 15–11, 15–7 |
| Women's singles | Tang Jiuhong | Han Aiping | 12–11, 12–10 |
| Men's doubles | Jalani Sidek & Razif Sidek | Li Yongbo & Tian Bingyi | 15–9, 15–5 |
| Women's doubles | Rosiana Tendean & Erma Sulistianingsih | Dorte Kjaer & Nette Nielsen | 11–15, 18–16, 18–16 |
| Mixed doubles | Eddy Hartono & Verawaty Wiharjo | Thomas Lund & Pernille Dupont | 12–15, 15–7, 15–6 |
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