The 1998 Ohio State Buckeyes football team represented the Ohio State University in the 1998 NCAA Division I-A football season. The team's head football coach was John Cooper. The Buckeyes played their home games in Ohio Stadium. The team finished the season with a win–loss record of 11–1, and a Big Ten Conference record of 7–1. They were co-champions of the Big Ten Conference with the Wisconsin Badgers and the Michigan Wolverines and played in one of the premiere Bowl Championship Series bowl games, the 1999 Sugar Bowl.