2009 Regional League Division 2 Southern Region (Thai: ลีกภูมิภาค ภาคใต้ or ไทยลีกดิวิชัน 2 ภาคใต้) is the 3rd Level League in Thailand.
The first season was played in 2009, starting in March and finishing in August.
The league winners Narathiwat entered the Regional League Championships 2009.