The 1989 Georgia Southern Eagles football team represented Georgia Southern College (now known as Georgia Southern University) as an independent during the 1989 NCAA Division I-AA football season.
Led by Erk Russell in his eighth and final year as head coach, the Eagles compiled a record of 15–0 and won the NCAA Division I-AA Football Championship, the program's third national title in five seasons.
After completing an 11–0 regular season, Georgia Southern advanced to the NCAA Division I-AA playoffs, beating Villanova in the first round, Middle Tennessee, in the quarterfinals, Montana in the semifinals, and Stephen F. Austin in NCAA Division I-AA Championship Game.
The Eagles played their home games at Paulson Stadium in Statesboro, Georgia.
This college football 1980s season article is a stub.