Datong (大同市) is a prefecture-level city in Shanxi, China.

Datong (pinyin) or Tatung (Wade–Giles) may also refer to:

• Great Unity, a classical Chinese concept for an utopian view of the world

Places

Institutions and universities

• Shanxi Datong University, in Datong, Shanxi, China
• Tatung University, Taipei, Taiwan
• Tatung Institute of Commerce and Technology, in Chiayi County, Taiwan
• Utopia University, or Datong University, in Shanghai, China

Companies and sport clubs

• Datong Coal Mining Group, state-owned coal mining enterprise of China
  • Datong Coal Industry, a subsidiary and listed company of Datong Coal Mining Group
• CRRC Datong, since 2003 'CNR Datong Electric Locomotive Co. Ltd' (DELC), in Datong, Shanxi, China
• SAIC Datong, Chinese name of the automotive manufacturer Maxus
• Tatung Company, Taiwanese electronics company
  • Tatung F.C., a Taiwanese football club owned by the company

Historical eras

• Datong (大通, 527–529), Emperor Wu of Liang's 3rd reign period
• Datong (大同, 535–546), Emperor Wu of Liang's 5th reign period
• Datong (大統, 535–551), an era name used by Emperor Wen of Western Wei
• Datong (大同, 947), an era name used by Emperor Taizong of Liao
• Datong (大同, 1224–1233), an era name used by Puxian Wannu
• Datong (大同, 1932–1934), an era name used by Puyi as Chief Executive of Manchukuo

Other uses

• Datong (instrument), a Chinese music instrument
• The Chinese Mayor, original title Datong, documentary film