The following is a list of commandant of the Illinois Country, which came to be known sometime after 1718 as Upper Louisiana.

French period

Commandants subordinate to Canada

• Robert de La Salle (1678–1683)
• Henri de Tonti (1682–1683) interim
• Henri de Baugy (1683–1685)
• Henri de Tonti (1685–1702)
• François de La Forest (1700–1702)
• Pierre de Liette (1702–1718)

Commandants subordinate to Louisiana

• Pierre de Boisbriand (1718–1725)
• Robert de Saint-Ange (1730–1732)
• Pierre d'Artaguiette (1732–1736/7)
• Alphonse de La Buissonnière (1737–1740)
• Jean-Baptiste de Sainte-Claire (1740–1742) interim
• major de Bertet (1742–1749)
• Jean-Baptiste de Sainte-Claire (1749–1751), interim
• Barthélemy de Macarty-Mactigue (1751–1760)
• Pierre-Joseph Neyon de Villiers (1760–1764)
• Louis Saint-Ange de Bellerive (1764–1770)

Spanish period

Commandants of Upper Louisiana

• don Francisco Rui (1767–1768)
• don Pedro Piernas (1768– ?)
• Louis Saint-Ange de Bellerive (? –1770)

Lieutenant Governors of Upper Louisiana

• don Pedro Piernas (1770– ?)
• don Francisco Cruzat (c. 1778)
• don Fernando de Leyba (1778–1780)
• don Francisco Cruzat (1780 – ?)
• don Manuel Pérez (c. 1788)
• Zénon Trudeau (1793– ?)
• Charles de Hault Delassus (1799-1804)^*

Sources

• Charles J. Balesi (1992). The Time of the French in the Heart of North America, 1673-1818. Chicago: Alliance Française. ISBN 1881370003
• French Commandants
• Dictionary of Canadian Biography online
• St. Louis in Colonial & Revolutionary War Times
• The French Settlement :: Jefferson National Expansion Memorial

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