Dian may refer to:

Places

* Dian Kingdom, ancient kingdom in modern Yunnan province, China * ''Diān'' (滇), an official abbreviation for Yunnan province * Lake Dian, a lake in Yunnan *

Dian, Armenia Dian ( hy, Դիան) is a town in the Aragatsotn Province of Armenia. See also *Aragatsotn Province Aragatsotn ( hy, Արագածոտն, ) is a province ('' marz'') of Armenia. It is located in the western part of the country. The capital ...

, a village *

People

Dian (given name) Dian is a given unisex name of: People: * Dian Agus Prasetyo (born 1985), Indonesian footballer *Dian Bachar (born 1970), American actor *Dian Fossey (1932–1985), American zoologist who studied gorillas *Dian Genchev (born 1975), Bulgarian footba ...

, a list *

Dian (surname) Dian is a surname. Notable people with the surname include: *Diarmait Dian (died 689), an Irish king *Michal Dian (born 1981), Slovak footballer *Padmini Dian, Indian politician *Dian Wei Dian Wei (; died February or March 197) was a military ge ...

, a list