The 1998–99 North Carolina Tar Heels men's basketball team represented the University of North Carolina at Chapel Hill during the 1998–99 NCAA Division I men's basketball season. The team's head coach was Bill Guthridge, who was in his second season as UNC's head men's basketball coach. The Tar Heels played their home games at the Dean Smith Center in Chapel Hill, North Carolina as members of the Atlantic Coast Conference.