The 1991 World Netball Championships (also known as the Johnson & Johnson World Netball Championship for sponsorship reasons) was the eighth edition of the INF Netball World Cup, a quadrennial premier event in international netball. It was held in Sydney, Australia from 1 to 13 July 1991 and featured 20 teams. At this edition of the tournament, four teams debuted: Cayman Islands, Namibia, Vanuatu and Western Samoa.