Sichon (Thai: สิชล, pronounced [sìʔ.t͡ɕʰōn]) is a district (amphoe) of Nakhon Si Thammarat province, southern Thailand.

Neighboring districts are (from the south clockwise): Tha Sala and Nopphitam of Nakhon Si Thammarat Province; Kanchanadit and Don Sak of Surat Thani province; Khanom of Nakhon Si Thammarat.

Namtok Si Khit National Park is in the district.

[1] The district is divided into nine sub-districts (tambons), which are further subdivided into 106 villages (mubans).

This Nakhon Si Thammarat Province location article is a stub.