The 1985 World Badminton Grand Prix was the third edition of the World Badminton Grand Prix finals. It was held in Tokyo, Japan, from December 12 to December 15, 1985.
| Category | Winner | Runner-up | Score | |
|---|---|---|---|---|
| Men's singles | Morten Frost |  Yang Yang | 5–15, 15–9, 15–9 | |
| Women's singles | Wu Jianqiu | Kirsten Larsen | 11–6, 11–1 |
| Category | Winners | Runners-up | Score | |
|---|---|---|---|---|
| Men's singles | Han Jian |  Sze Yu | 15–6, 15–3 | |
| Women's singles | Li Lingwei | Han Aiping | 11–3, 11–3 |