Tham Phannara (Thai: ถ้ำพรรณรา, pronounced [tʰâm pʰān.nā.rāː]) is a district (amphoe) of Nakhon Si Thammarat province, southern Thailand.

Neighboring districts are (from the east clockwise): Chawang and Thung Yai of Nakhon Si Thammarat, and Phrasaeng and Wiang Sa of Surat Thani province.

The district was created as a minor district (king amphoe) on 1 April 1990, when the two tambons Tham Phannara and Khlong Se were split off from Chawang district.

[1] A first temporary district office was within Wat Tham Phannara, until the current office building was opened on 4 October 1993.

There are three subdistrict administrative organizations (SAO) in the district: This Nakhon Si Thammarat Province location article is a stub.