| Season: | 2009 |
| Competition: | Regional League Division 2 North Eastern Region |
| Winners: | Loei City |
| Biggest Home Win: | Nakhon Ratchasima 8-0 Roi Et |
| Biggest Away Win: | Roi Et 1-8 Nakhon Phanom |
| Highest Scoring: | Roi Et 1-8 Nakhon Phanom Nakhon Phanom 6-3 Roi Et Nakhon Phanom 4-5 Songkhla United (9) |
| Prevseason: | 2008 |
| Nextseason: | 2010 |
2009 Regional League Division 2 North Eastern Region (Thai: ลีกภูมิภาค ภาคตะวันออกเฉียงเหนือ or ไทยลีกดิวิชัน 2 ภาคตะวันออกเฉียงเหนือ) is the 3rd Level League in Thailand. In 2009, contains 12 clubs from North Eastern region.
The league winners qualify for the end of season Regional Championships with the other four league winners in the Regional setup.
Ubon United FC withdrew from the league after playing 16 games, due to a dispute with the Thailand Football Association (FAT). All results were declared null and void. Ubon were also given a 2-year ban from competing. The league table was re-adjusted accordingly, after FAT previously thought about awarding 2-0 victories for the remaining games.
| Club | Province | Home Stadium[1] [2] | Capacity | |
|---|---|---|---|---|
| Buriram | Buriram | Buriram Rajabhat University Stadium | ? | |
| Chaiyaphum United | Chaiyaphum | Chaiyaphum Province Stadium | 2,464 | |
| Loei City | Loei | Loei Province Stadium | 3,628 | |
| Mahasarakham City | Mahasarakham | IPE Mahasarakham Stadium | ? | |
| Mukdahan-Savannakhet | Mukdahan | Mukdahan Province Stadium | ? | |
| Nakhon Phanom | Nakhon Phanom | Pla Pak District Office | ? | |
| Nakhon Ratchasima | Nakhon Ratchasima | 80th Birthday Stadium | 20,141 | |
| Roi Et | Roi Et | Roi Et Province Stadium | 2,215 | |
| Sakon Nakhon | Sakon Nakhon | Sakolrajwithayanukool School Stadium | ? | |
| Surin | Surin | Elephant Stadium | ? | |
| Udon Thani | Udon Thani | Institute of Physical Education Udon Thani Stadium | ? |