Nong Bua Daeng (Thai: หนองบัวแดง, pronounced [nɔ̌ːŋ būa̯ dɛ̄ːŋ]) is a district (amphoe) of Chaiyaphum province, northeastern Thailand.

[2] Neighbouring districts are (from the north clockwise): Khon San district, Kaset Sombun, Mueang Chaiyaphum, Ban Khwao, Nong Bua Rawe, and Phakdi Chumphon of Chaiyaphum Province; and Nong Phai and Mueang Phetchabun of Phetchabun province.

The district is divided into eight subdistricts (tambons), which are further subdivided into 130 villages (mubans).

There is one municipality (thesaban), and eight tambon administrative organizations (TAO).

Missing numbers are now tambons of Phakdi Chumphon District.