2021–22 Thai League 3 Bangkok Metropolitan Region
| Season | 2021–22 |
|---|---|
| Dates | 25 September 2021 – 27 February 2022 |
| Champions | North Bangkok University |
| Relegated | Grakcu Sai Mai United |
| T3 National Championship | North Bangkok University Bangkok |
| Matches played | 182 |
| Goals scored | 453 (2.49 per match) |
| Top goalscorer | Caíque Freitas Ribeiro (17 goals; Bangkok) |
| Best goalkeeper | Ratchaphon Namthong (10 clean sheets; Bangkok) Sanan Amkoed (10 clean sheets; North Bangkok University) |
| Biggest home win | 7 goals difference Bangkok 7–0 Grakcu Sai Mai United (5 February 2022) |
| Biggest away win | 9 goals difference Inter Bangkok 0–9 North Bangkok University (20 February 2022) |
| Highest scoring | 9 goals Inter Bangkok 0–9 North Bangkok University (20 February 2022) |
| Longest winning run | 5 matches North Bangkok University Bangkok |
| Longest unbeaten run | 15 matches Bangkok |
| Longest winless run | 24 matches Samut Prakan |
| Longest losing run | 7 matches Grakcu Sai Mai United |
| Highest attendance | 500 Bangkok 6–0 Inter Bangkok (27 February 2022) |
| Lowest attendance | 0 |
| Total attendance | 13,615 |
| Average attendance | 139 |
← 2020–21 2022–23 → | |
The 2021–22 Thai League 3 Bangkok metropolitan 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 14 teams located in Bangkok metropolitan region and Central of Thailand will compete in the league of the Bangkok metropolitan region.