The 1998 Georgia Southern Eagles football team represented the Georgia Southern University as a member of the Southern Conference (SoCon) during the 1998 NCAA Division I-AA football season. Led by second-year head coach Paul Johnson, the Eagles compiled and overall record of 14–1 with a mark of 8–0 in conference play, winning the SoCon title. Georgia Southern advanced to the NCAA Division I-AA Football Championship playoffs, where they defeated Colgate in the first round, Connecticut in the quarterfinals, and Western Illinois in the semifinals before falling to UMass in the NCAA Division I-AA Championship Game. The Eagles played their home games at Paulson Stadium in Statesboro, Georgia.