Mueang Nong Bua Lam Phu (Thai: เมืองหนองบัวลำภู; pronounced [mɯ̄aŋ nɔ̌ːŋ būa lām pʰūː]) is the capital district (amphoe mueang) of Nong Bua Lam Phu province, northeastern Thailand.

[1] Neighboring districts are (from the south clockwise): Non Sang, Si Bun Rueang, and Na Klang of Nong Bua Lam Phu Province; Kut Chap and Nong Wua So of Udon Thani Province.

On September 2, 1993, the districts of Nong Bua Lam Phu, Na Klang, Non-Sang, Si Bun Ruang and Suwannakhuha were separated from Udon Thani Province and were merged to create the Nong Bua Lamphu Province.

[2] The district is divided into 15 sub-districts (tambons), which are further subdivided into 179 villages (mubans).

The town (thesaban mueang) Nong Bua Lam Phu covers parts of tambons Nong Bua, Pho Chai, and Lam Phu.