| Event: | Women's singles |
| Championship: | 1991 IBF World Championships |
| Dates: | – |
| Venue: | Brøndby Arena |
| Location: | Copenhagen, Denmark |
| Gold: | Tang Jiuhong |
| Gold Nation: | CHN |
| Silver: | Sarwendah Kusumawardhani |
| Silver Nation: | INA |
| Bronze: | Susi Susanti |
| Bronze Nation: | INA |
| Bronze2: | Lee Heung-soon |
| Bronze2 Nation: | KOR |
| Prev: | 1989 Jakarta |
| Next: | 1993 Birmingham |
The 1991 IBF World Championships (World Badminton Championships) were held in Copenhagen, Denmark in 1991. Following the results of the women's singles.
Sara Ussher - 
Sabine Aberer: 7-11, 11-2, 11-1
Helle Andersen - Nicole Baldewein: 12-10, 12-9
Bang Soo-hyun - 
Yuliani Santoso: 11-5, 11-5
Felicity Gallup - Martine de Souza: 12-10, 11-6 Susanna Kauhanen - 
Ana Laura de la Torre Saavedra: 11-2, 11-4
Astrid Crabo - Annika Nyström: 11-0, 11-2
Zhou Qianmin - Tan Lee Wai: 11-2, 11-5
Marie-Helene Loranger - 
Esther Sanz: 11-8, 11-5
http://www.tournamentsoftware.com/sport/events.aspx?id=D35444A5-8F1F-4B92-8ACA-39FE076F5602