Dian

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, a village

People

 * Dian (given name), a list
 * Dian (surname), a list