The 2020 K League 2 is the eighth season of the K League 2, the second-tier South Korean professional league for association football clubs since its establishment in 2013, and the third one with its current name, the K League 2. The top-ranked team and the winners of the promotion play-offs among three clubs ranked between second and fourth got promoted to the 2021 K League 1. On 24 April 2020, the Korean Professional Football Union has confirmed that they will adopt their plan of modification, which will begin to change type of the season 2020 to 27 regular season matches.