2021–22 Thai League 3 Northern Region
| Season | 2021–22 |
|---|---|
| Dates | 4 September 2021 – 26 February 2022 |
| Champions | Uthai Thani |
| Relegated | Northern Tak United |
| T3 National Championship | Uthai Thani Phitsanulok |
| Matches played | 132 |
| Goals scored | 294 (2.23 per match) |
| Top goalscorer | Ricardo Santos (19 goals; Uthai Thani) |
| Best goalkeeper | Farus Patee (9 clean sheets; Chiangrai City) Watchara Panmoon (9 clean sheets; Maejo United) |
| Biggest home win | 5 goals difference Uthai Thani 5–0 Kamphaengphet (23 October 2021) |
| Biggest away win | 8 goals difference Wat Bot City 0–8 Uthai Thani (16 October 2021) |
| Highest scoring | 8 goals Wat Bot City 0–8 Uthai Thani (16 October 2021) |
| Longest winning run | 8 matches Uthai Thani |
| Longest unbeaten run | 10 matches Uthai Thani |
| Longest winless run | 15 matches Northern Tak United |
| Longest losing run | 5 matches Nan |
| Highest attendance | 800 Phitsanulok 0–1 Wat Bot City (6 November 2021) |
| Lowest attendance | 0 |
| Total attendance | 14,401 |
| Average attendance | 225 |
← 2020–21 2022–23 → | |
The 2021–22 Thai League 3 Northern 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 12 teams located in Northern, Upper western, and Upper central of Thailand will compete in the league of the Northern region.