Rattaphum (Thai: รัตภูมิ, pronounced [rát.tā.pʰūːm]) is a district (amphoe) of Songkhla province, southern Thailand.

Neighboring districts are (from the east clockwise): Khuan Niang, Bang Klam, and Hat Yai of Songkhla Province; Khuan Kalong of Satun province; and Pa Bon of Phatthalung province.

The district was renamed from Kamphaeng Phet to Rattaphum in 1939.

[1] Rattaphum is divided into five sub-districts (tambons), which are further subdivided into 63 administrative villages (mubans).

Missing numbers are tambon which now form Khuan Niang District.