The Senior men's race at the 1985 IAAF World Cross Country Championships was held in Lisbon, Portugal, at the Sports Complex of Jamor on March 24, 1985.

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.

†: Micah Boinett from  Kenya was initially 45th in 34:43 min, but disqualified.

An unofficial count yields the participation of 297 athletes from 47 countries in the Senior men's race, two athletes less than the official number published.