Non Din Daeng (Thai: โนนดินแดง, pronounced [nōːn dīn dɛ̄ːŋ]) is the southwesternmost district (amphoe) of Buriram province, northeastern Thailand.

Neighboring districts are (from the north clockwise) Pakham, Lahan Sai of Buriram Province, Ta Phraya, Watthana Nakhon of Sa Kaeo province and Soeng Sang of Nakhon Ratchasima province.

The Sankamphaeng Range mountainous area is in the southern section of this district.

[2] The Non Din Daeng District's motto is "City of good people, Rao su ('we fight') monument, Prasat Nong Hong, forest and nature, Lamnangrong Dam beach."

The district is divided into three sub-districts (tambons), which are further subdivided into 45 villages (mubans).