The 1991 IAAF World Race Walking Cup was held on 1 and 2 June 1991 in the streets of San Jose, California, USA. The event was also known as IAAF Race Walking World Cup. The course followed a loop along Park Avenue and Almaden Boulevard, north and east of the intersection.
Complete results were published.
The team rankings, named Lugano Trophy, combined the 20 km and 50 km events team results.
The participation of 309 athletes (218 men/91 women) from 33 countries is reported.