The 2020–21 Thai League 3 Western region is a region in the regional stage of the 2020–21 Thai League 3. Due to the COVID-19 pandemic, the season must be postponed to start in late 2020 and end in early 2021. In addition, the Thai League 4 had combined with the Thai League 3 and compete as Thai League 3 since this season[1] and there is no relegation in this season.[2] A total of 12 teams located in Western, central, and Bangkok Metropolitan Region of Thailand will compete in the league of the Western region.[3]
In late December 2020, COVID-19 had spread again in Thailand, the FA Thailand must abruptly end the regional stage of the Thai League 3.[4]
A T3 team could register four foreign players by at least one player from AFC member countries. A team can use four foreign players on the field in each game, including at least one player from the AFC member countries (3+1).
Note : : players who released during winter transfer window; : players who registered during winter transfer window; ↔: players who have dual nationality by half-caste or naturalization. →: players who left club after registered during first or second leg.
Source: Thai League 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.