1998–99 League of Ireland Premier Division

The 1998–99 League of Ireland Premier Division was the 14th season of the League of Ireland Premier Division. The division was made up of 12 teams. St Patrick's Athletic F.C. won the title. For sponsorship purposes, it was known as the FAI Harp Lager National League.

1998–99 League of Ireland Premier Division

The 1998–99 League of Ireland Premier Division was the 14th season of the League of Ireland Premier Division. The division was made up of 12 teams. St Patrick's Athletic F.C. won the title. For sponsorship purposes, it was known as the FAI Harp Lager National League.