Sadan

Sadan may refer to:
 * Sədan, a village and municipality in Azerbaijan
 * Sadan, Burma, a village in Kani Township
 * Sadan, Iran, a village in Golestan Province, Iran
 * Sadan, South Khorasan, a village in South Khorasan Province, Iran
 * Sadan peoples, Indo-Aryan ethnic groups in India
 * Sadanic languages, languages of these people
 * Nagpuria people or Sadan, ethnic group of Jharkhand, India
 * Sadani or Sadri language, Indo-Aryan language spoken by the ethnic group