Jining District (Mongolian: ᠵᠢᠨᠢᠩ ᠲᠣᠭᠣᠷᠢᠭ; Chinese: 集宁区) is an urban district that serves as the administrative seat of Ulanqab, a region governed as a prefecture-level city in the mid-western part of Inner Mongolia, China.

As of 2011, it had a population of roughly 377,100, including members of the Mongol, Hui, Manchu, Daur, Tibetan, Uyghur, Hmong, and Yi national minorities.

Administratively speaking, Ulanqab is a "city" and Jining a "district", in reality Jining is a de facto city, while Ulanqab is an administrative division covering a much larger area.

Recorded human activity in the Jining area dates back to the Shang dynasty.

High-speed rail access is available to Hohhot and Baotou; travel time to the regional capital is approximately an hour.