The 2021–22 season is Chiangrai United's 11th consecutive season in Thai League 1, following promotion in 2010.

In addition to the domestic league, the club will also compete in this season's editions of the Thai FA Cup and the AFC Champions League.

[1] Win Draw Loss Win Draw Loss Last updated: 25 May 2022 Source: Competitions Win Draw Loss Win Draw Loss Win Draw Loss Win Draw Loss Win Draw Loss