Non Khun (Thai: โนนคูณ, pronounced [nōːn kʰūːn]) is a district (amphoe) in the eastern part of Sisaket province, northeastern Thailand.

Neighboring districts are (from the south clockwise): Benchalak, Nam Kliang, and Kanthararom of Sisaket Province, and Samrong of Ubon Ratchathani province.

Non Khun was created as a minor district (king amphoe) under Kanthararom district on 1 September 1977, with the tambons, Non Kho, Pho, Bok, and Nong Kung.

[2] The district is divided into five sub-districts (tambons), which are further subdivided into 80 villages (mubans).

This Sisaket Province location article is a stub.