2021–22 Thai League 3 Southern Region

The 2021–22 Thai League 3 Southern region is a region in the regional stage of the 2021–22 Thai League 3. The tournament was sponsored by Blue Dragon Lottery Online, and known as the Blue Dragon League for sponsorship purposes. A total of 13 teams located in Southern of Thailand will compete in the league of the Southern region.

Foreign players
A T3 team could register 3 foreign players from foreign players all around the world. A team can use 3 foreign players on the field in each game.
 * Note :
 * players who released during second leg transfer window;
 * players who registered during second leg transfer window.

Results
Notes:
 * 16 February 2022, Phatthalung didn't come to the game and was forfeited and awarded 2 goals to Nara United.

Top scorers

 * As of 27 February 2022.

Hat-tricks
Notes: 4 = Player scored 4 goals; (H) = Home team; (A) = Away team

Clean sheets

 * As of 27 February 2022.

Attendances by home match played
Source: Thai League