The 1981 Berlin Marathon was the 8th running of the annual marathon race held in Berlin, West Germany, held on 27 September. Great Britain's Ian Ray won the men's race in 2:15:42 hours, while the women's race was won by West Germany's in 2:47:24. Ray was the first non-West German winner of the race. A men's wheelchair race was held for the first time and was won by West German in 2:08:44. No women entered the wheelchair section. A total of 2567 runners finished the race, comprising 2418 men and 149 women.