2020 Ettan

The 2020 Ettan, part of the 2020 Swedish football season is the 15th season of Sweden's third-tier football league in its current format. The season started on 14 June 2020 and ended on 29 November 2020.

32 teams contest the league divided into two divisions, Norra and Södra. 22 returning from the 2019 season, three relegated from Superettan and seven promoted from Division 2. The champion of each division will qualify directly for promotion to Superettan, while the two runners-up compete in a play-off against the thirteenth and fourteenth teams from Superettan to decide who will play in the 2021 Superettan. The bottom three teams in each division will qualify directly for relegation to Division 2, while the two thirteenth-placed teams play against each other while the top two runners-up from Division 2 play against each other to decide who will play in 2021 Ettan.

The 13th-placed teams of each division meet each other, and the best two runners-up from 2020 Division 2 meet each other, in two-legged ties on a home-and-away basis. The winners of each matchup qualify for the 2021 Division 1.

*Åtvidabergs won, 3-2, via forfeit.

Västra Frölunda IF player Anton Karl Delwér played in the second leg while suspended after his second yellow card of the season during the first leg. Västra Frölunda originally led the second leg, 3-1, and the aggregate, 3-3, via away goals rule (1-0), after both games. Result overturned after Delwér participated in the second leg in violation of rules.*

Lunds BK won 3–1 on aggregate.