The 2019–20 Denmark Series was the 55th season of the Denmark Series, the fourth-tier of the Danish football league structure organised by the Danish FA (DBU).
Initially, the winner of each pool was to be promoted to the 2020-21 Danish 2nd Division, while the last place team would be relegated to a lower division and bottom two teams of each pool in danger of playing relegation-playoff (depending on Danish 2nd Division results).
[1] Due to the COVID-19 pandemic, the season was suspended after 14 games and relegation was cancelled.
[2] The top two teams in each group faced two promotion play-off matches.
However, if the winner of the group won the first play off match, they would get the promotion.