The 2020–21 Thai Women's League 1 will be the sixth season of the Thai Women's League, the top Thai professional league for women's association football clubs, since its establishment in 2009.
A total of 8 teams will compete in the league.
The season will run from 31 October 2020 to 27 March 2021[1] Divided into teams placed around the league (Member organizations that are Semi-Final in 2019 Thai Women's League) 4 teams.
[2] And teams from the 2020–21 Thai Women's League play-offs round.
[3] The 2020–21 Thai Women's League 1 will divide the competition into 2 legs, in the first leg will compete in a meeting, compete at High Performance Training Center (Thailand), where the 1st leg is placed 1–4.Second leg will compete in a meet again Home-Away, within 1–4 places with each other to find the winning team, while 5–8 places at the end of the first leg will compete as a home-away match.