2009 in Thai football Managerial changes Managerial changes

| Name_ | Club | Date_of_departure | Replacement | Date_of_appointment_ |
|---|---|---|---|---|
| Jadet Meelarp | Chonburi | January 2009 | Kiatisuk Senamuang | January 2009 |
| Kiatisuk Senamuang | Chula United | January 2009 | Carlos Ferreira | January 2009 |
| Prajuk Viengsong | TTM Samut Sakhon | January 2009 | Attaphol Puspakom | January 2009 |
| Attaphol Puspakom | TTM Samut Sakhon | April 2009 | Kij Meesrisuk | April 2009 |
| Surasak Tansurat | Muangthong United | April 2009 | Attaphol Puspakom | April 2009 |
| Prapol Pongpanich | PEA | May 2009 | Thongsuk Sampahungsith | May 2009 |
| Hans R. Emser | Bangkok Glass | June 2009 | Surachai Jaturapattarapong | June 2009 |
| Pansak Ketwattha | Pattaya United | June 2009 | Wisoon Wichaya | June 2009 |
| Christophe Larrouilh | BEC Tero Sasana | June 2009 | Tawan Sripan | June 2009 |