The 1991 IAAF World Cross Country Championships was held in Antwerp, Belgium, at the Linkeroever Racecourse on March 24, 1991. A report on the event was given in The New York Times. Complete results for senior men, junior men, senior women, junior women, medallists, and the results of British athletes were published.

Medallists

Race results

Senior men's race (11.764 km)

†: Athlete marked in the results list as nonscorer.

Junior men's race (8.415 km)

Senior women's race (6.425 km)

Junior women's race (4.435 km)

Medal table (unofficial)

Participation

An unofficial count yields the participation of 633 athletes from 51 countries. This is in agreement with the official numbers as published.