Nong Ki (Thai: หนองกี่, pronounced [nɔ̌ːŋ kìː]) is the westernmost district (amphoe) of Buriram province, northeastern Thailand.

The district lies approximately 80 km southwest of Buriram City.

Neighbouring districts are (from the northeast clockwise) Nong Hong, Chamni, Nang Rong, Non Suwan of Buriram Province, Soeng Sang, Khon Buri, and Nong Bun Mak of Nakhon Ratchasima province.

[2] The Nong Ki District's motto is "The city of boxer, delicious grilled chicken, beautiful silk, rich of culture, and nature of Huai Yang Dam and Tung Kra Ten Reservoirs."

The district is divided into 10 sub-districts (tambons), which are further subdivided into 123 villages (mubans).