Chawang is a district (amphoe) of Nakhon Si Thammarat Province. Neighbouring districts are (from the northeast clockwise) Phipun, Lan Saka, Chang Klang, Na Bon, Thung Yai and Tham Phannara of Nakhon Si Thammarat, and Wiang Sa of Surat Thani Province. The east of the district is part of the Khao Luang National Park.