The 2018 Allsvenskan, part of the 2018 Swedish football season, was the 94th season of Allsvenskan since its establishment in 1924. A total of 16 teams participated. As the 2018 FIFA World Cup will start on 14 June, the last round before stoppage will be held on 27 May. The league will resume games on 7 July.
Malmö FF were the defending champions after winning the title in the previous season. AIK won the Swedish championship this season, their sixth Allsvenskan title and 12th Swedish championship overall, in the 30th round on 11 November when they won 0–1 in the away fixture against Kalmar FF at Guldfågeln Arena.
Halmstads BK and AFC Eskilstuna were relegated at the end of the 2017 season after finishing in the bottom two places of the table. They were replaced by 2017 Superettan champions IF Brommapojkarna and runners-up Dalkurd FF. IF Brommapojkarna returned to Allsvenskan after three years' absence, having been relegated at the end of the 2014 season. This is IF Brommapojkarna's sixth season in the league. Dalkurd FF are participating in the league for the first time in the club's history; they are the fourth new club in the last five Allsvenskan seasons (following Falkenbergs FF in 2014, Östersunds FK in 2016 and AFC Eskilstuna in 2017).
The final spot was taken by the 2017 Allsvenskan play-offs winner; Trelleborgs FF, third-placed team in 2017 Superettan, who replace Jönköpings Södra IF.
Source: svenskfotboll.se(in Swedish) Rules for classification: 1) Points; 2) Goal difference; 3) Goals scored; 4) Head-to-head points; 5) Head-to-head goal difference; 6) Head-to-head away goals scored; 7) Play-off (Note: Play-off is only played if need to decide champion, teams for relegation or UEFA competition and will be played on a neutral ground). (C) Champions; (R) Relegated Notes:
Source: Swedish Football Association(in Swedish) Legend: Blue = home team win; Yellow = draw; Red = away team win. For upcoming matches, an "a" indicates there is an article about the rivalry between the two participants.
Play-offs
The 14th-placed team of Allsvenskan meets the third-placed team from 2018 Superettan in a two-legged tie on a home-and-away basis with the team from Allsvenskan finishing at home.