1998–99 in European association football leagues

The 1998–99 Scottish Premier League season (also known as the 1998–99 Bank of Scotland Scottish Premier League for sponsorship reasons from 11 March) was the inaugural season of Scottish Premier League football, the top division of Scottish football. It began on 1 August 1998 and concluded on 23 May 1999.

The 1998–99 Campionato Sammarinese di Calcio season was the 14th season since its establishment. It was contested by 16 teams, and S.C. Faetano won the championship.

The 1998 Greenlandic Men's Football Championship was the 28th edition of the Greenlandic Men's Football Championship. The final round was held in Qaqortoq. It was won by Kissaviarsuk-33 for the seventh time in its history.

The 1999 Greenlandic Men's Football Championship was the 29th edition of the Greenlandic Men's Football Championship. The final round was held in Nuuk. It was won by B-67 Nuuk for the fourth time in its history.

The 1998–99 First League of the Republika Srpska was the 4th season since establishment. Since Football Association of Republika Srpska is not a member of UEFA nor FIFA, league champion did not qualify for European tournament. Croats and Bosniaks had their own league and their champion did not qualify to European tournament either.

Allsvenskan 1998, part of the 1998 Swedish football season, was the 74th Allsvenskan season played. AIK won the league ahead of runners-up Helsingborgs IF, while BK Häcken and Östers IF were relegated. AIK won the title despite having the fewest goals (25) scored in the league.

Statistics of Ekstraklasa for the 1998–99 season.

The 1998–99 Maltese Premier League was the 19th season of the Maltese Premier League, and the 84th season of top-tier football in Malta. It was contested by 10 teams, and Valletta F.C. won the championship.

The 1998–99 Primeira Divisão was the 65th edition of top flight of Portuguese football. It started on 23 August 1998 with a match between Chaves and Académica Coimbra, and ended on 30 May 1999. The league was contested by 18 clubs with Porto as the defending champions.

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.