1991 Badminton World Cup|
| Dates | 7 August – 10 August 1991 |
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| Edition | 13th |
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| Total prize money | US$145,000 |
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| Venue | Macau Forum |
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| Location | Portuguese Macau |
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The 1991 Badminton World Cup was the thirteenth edition of an international tournament Badminton World Cup. The event was held in Portuguese Macau from 7 August to 10 August 1991. Indonesia won the men's singles and mixed doubles events while China won the women's singles. Malaysia secured a title in men's doubles discipline & South Korea clinched the women's doubles title.