The 1990 IAAF World Cross Country Championships was held in Aix-les-Bains, France, at the Hippodrome de Marlioz on March 25, 1990. A report on the event was given in the Glasgow Herald. 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 (12.2 km)

Junior men's race (8 km)

Senior women's race (6 km)

Junior women's race (4.4 km)

Medal table (unofficial)

Participation

An unofficial count yields the participation of 617 athletes from 59 countries, one athlete (senior men) less than the official number published.