The Senior women's race at 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.

[1] Complete results,[2] medallists, [3] and the results of British athletes[4] were published.

An unofficial count yields the participation of 139 athletes from 35 countries in the Senior women's race.

This is in agreement with the official numbers as published.