Pingcheng District (simplified Chinese: 平城区; traditional Chinese: 平城區; pinyin: Píngchéng Qū), formerly known as Chengqu (城区; 城區; Chéngqū) or Cheng District is a district of Datong, Shanxi, China. As of 2002, it had a population of 560,000 living in an area of 46.129 km (17.811 sq mi).

Most of the urbanized area of Datong is in this district. In 2020 the district had 807,000 people.