A total of 10 teams located in Northern, Western, and Upper central of Thailand will compete in the league of the Northern region.

For the Northern region, a total 27 matches per team competing in 3 legs.

If all of head-to-head still tie, must to find the home team from penalty kickoff on the end of each 2nd leg match (This penalty kickoff don't bring to calculate points on league table, it's only the process to find the home team in 3rd leg).

Source: Thai League Source: Thai League Note:Unk.1 Some error of T4 official match report 18 May 2019 (Singburi Bangrajun 0–2 Phitsanulok).

Unk.2 Some error of T4 official match report 25 August 2019 (Singburi Bangrajun 4–2 JL Chiangmai United (B)).