Administrator general or administrator-general is an administrative and governmental title and may refer to:

• Administrateur général, position equivalent to that of "minister" in several ministries of Luxembourg:
  • Fontaine Ministry (1848)
  • Willmar Ministry (1848–1853)
  • Simons Ministry (1853–1860
• Administrator-general was the title of the colonial governors in a number of colonies:
  • List of colonial governors of South West Africa
  • List of colonial governors of the Congo Free State and Belgian Congo
• Administrator general in the Ministry of Justice of Israel
• Administrator general in the Ministry of Justice and Constitutional Affairs of Malawi

• Governor-general
• General Services Administration