1998–99 League of Ireland Premier Division

League of Ireland Premier Division
Season1998–99
ChampionsSt Patrick's Athletic (7th title)
RelegatedBray Wanderers
Dundalk F.C.
UEFA Champions LeagueSt Patrick's Athletic
UEFA CupCork City
Bray Wanderers
UEFA Intertoto CupShelbourne
FAI Super CupSt Patrick's Athletic
Shelbourne
Cork City
Bray Wanderers
Top goalscorerTrevor Molloy: 15
(St. Patrick's Athletic)

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.