Phanom (Thai: พนม, pronounced [pʰā.nōm]) is a district (amphoe) in the southwest of Surat Thani province of southern Thailand.

The district marks the eastern end of the pass through the mountains, connecting Takua Pa with Surat Thani.

Neighboring districts are (from north clockwise): Ban Ta Khun, Khiri Rat Nikhom, Khian Sa and Phrasaeng of Surat Thani: Plai Phraya of Krabi province: Thap Put, Mueang Phang Nga, Kapong, Takua Pa and Khura Buri of Phang Nga province.

[2] The slogan of the district is "Beautiful Rafflesia, rich in hills covered by mist".

The district is divided into six sub-districts (tambons), which are further subdivided into 56 villages (mubans).