Phon (Thai: พล, pronounced [pʰōn]) is a district (amphoe) in the southern part of Khon Kaen province, northeastern Thailand.

Neighbouring districts are (from the west clockwise): Waeng Noi, Waeng Yai, Chonnabot, Non Sila and Nong Song Hong of Khon Kaen Province; Bua Lai and Prathai of Nakhon Ratchasima province.

The district is divided into 12 subdistricts (tambons), which are further subdivided into 131 villages (mubans).

There are a further 12 tambon Administrative Organizations (TAO).

This Khon Kaen Province location article is a stub.