大同 may refer to: Great Unity, a classical Chinese concept for an utopian view of the world
Places
Cities Datong, a prefecture-level city in Shanxi, China
Counties Datong County, Shanxi, China
Districts Datong District, Daqing, Heilongjiang, China Datong District, Taipei, Taiwan
Towns Datong, Yilan, Taiwan
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 Tatung Company, Taiwanese electronics company Tatung F.C., a Taiwanese football club owned by the company
Historical eras Daidō, Japanese era name corresponding to May 806 through September 810 Datong, Chinese era name corresponding to 535 through 546, used by Emperor Wu of Liang Datong, Chinese era name corresponding to 947, used by Emperor Taizong of Liao Datong, Chinese era name corresponding to 1224 through 1233, used by Puxian Wannu Datong, Chinese era name corresponding to 1932 through 1934, used by Puyi as Chief Executive of Manchukuo
Other uses The Chinese Mayor, original title Datong, documentary film