The Senior women's race at the 1999 IAAF World Cross Country Championships was held at the Barnett Demesne/Queen’s University Playing Fields in Belfast, Northern Ireland, United Kingdom, on March 27, 1999. Reports of the event were given in The New York Times, in the Glasgow Herald, and for the IAAF. Complete results for individuals, for teams, medallists, and the results of British athletes who took part were published.