The 1991 FIA Sportscar World Championship season was the 39th season of FIA World Sportscar Championship motor racing. It featured the 1991 FIA Sportscar World Championship, which was contested over an eight race series from 14 April to 28 October 28, 1991. The series was open to Group C Sportscars, with Category 1 cars complying with new 1991 Group C rules and Category 2 cars running under the pre 1991 regulations. Teo Fabi won the Drivers Championship and Silk Cut Jaguar won the Teams title.