| Season: | 2009 |
| Competition: | Regional League Northern Division |
| Winners: | Chiangrai United 1st Title |
| Biggest Home Win: | Sukhothai 11-1 Tak |
| Biggest Away Win: | Tak 2-10 Chainat |
| Highest Scoring: | Tak 2-10 Chainat Sukhothai 11-1 Tak (12 goals) |
| Matches: | 110 |
| Total Goals: | 392 |
| Prevseason: | 2008 |
| Nextseason: | 2010 |
2009 Regional League Division 2 Northern Region (Thai: ลีกภูมิภาค ภาคเหนือ or ไทยลีกดิวิชัน 2 ภาคเหนือ) is the 3rd Level League in Thailand. In 2009, contains 11 clubs from Northern region.
| Club | Province | Home Stadium[1] [2] | Capacity | |
|---|---|---|---|---|
| Chainat | Chainat | Chai Nat Provincial Stadium | 3,374 | |
| Chiangmai United | Chiangmai | 700th Anniversary Stadium | 25,000 | |
| Chiangrai United | Chiang Rai | Mae Fah Luang University Stadium | 3,346 | |
| Kamphaeng Phet | Kamphaeng Phet | Kamphaeng Phet Province Stadium | ? | |
| Phetchabun | Phetchabun | Institute of Physical Education Phetchabun Stadium | ? | |
| Phichit | Phichit | Khao Sai Municipality Stadium | ? | |
| Phitsanulok | Phitsanulok | Phitsanulok Province Stadium | ? | |
| Phrae | Phrae | Phrae Province Stadium | ? | |
| Sukhothai | Sukhothai | Institute of Physical Education Sukhothai Stadium | 4,500 | |
| Tak | Tak | Tak Province Stadium | 3,171 | |
| Uttaradit | Uttaradit | Uttaradit Province Stadium | ? |