Ban Na Doem (Thai: บ้านนาเดิม, pronounced [bâːn nāː dɤ̄ːm]) is a district (amphoe) of Surat Thani province, Thailand.

Ban Na Doem is in the center of Surat Thani Province.

Neighboring districts are (from the north clockwise): Mueang Surat Thani, Ban Na San, Khian Sa, and Phunphin.

[1] The minor district was originally divided into two tambons, Ban Na and Tha Ruea.

[2] Ban Na Doem is divided into four sub-districts (tambons), which are further subdivided into 30 villages (mubans).