Non Sung (Thai: โนนสูง, pronounced [nōːn sǔːŋ]) is a district (amphoe) in the central part of Nakhon Ratchasima province, northeastern Thailand.

The district's name was changed from Non Wat to Non Sung in 1939.

[1] Neighbouring districts are (from the north clockwise) Khong, Phimai, Chakkarat, Chaloem Phra Kiat, Mueang Nakhon Ratchasima, Non Thai, and Kham Sakaesaeng.

Ban Non Wat, a village in the district, is an important Bronze Age archaeological site.

This Nakhon Ratchasima Province location article is a stub.