The 1989 Boston Marathon was the 93rd running of the annual marathon race in Boston, United States, which was held on April 17. The elite men's race was won by Ethiopia's Abebe Mekonnen in a time of 2:09:06 hours and the women's race was won by Norway's Ingrid Kristiansen in 2:24:33. In the wheelchair race, Philippe Couprie of France won the men's race in 1:36:04 and Connie Hansen of Denmark won the women's race in 1:50:06.

A total of 5104 runners finished the race, 4239 men and 865 women.