Principal Officers and Chiefs of Mission, by year: 1801

Note: Career Foreign Service appointees are asterisked.

• Adams, John Quincy (1767-1848)
  • Minister Resident, Netherlands (1794-1797)
  • Minister Plenipotentiary, Portugal (1796)
  • Minister Plenipotentiary, Germany (1797-1801)
  • Minister Plenipotentiary, Russia (1809-1814)
  • Envoy Extraordinary and Minister Plenipotentiary, United Kingdom (1815-1817)
  • Secretary of State (1817-1825)
• Bayard, James Asheton (1767-1815)
  • Minister Plenipotentiary, France (1801)
  • Envoy Extraordinary and Minister Plenipotentiary, Russia (1815)
• Humphreys, David (1752-1818)
  • Minister Resident, Portugal (1791-1797)
  • Minister Plenipotentiary, Spain (1796-1801)
• King, Rufus (1755-1827)
  • Minister Plenipotentiary, United Kingdom (1796-1803)
  • Envoy Extraordinary and Minister Plenipotentiary, United Kingdom (1825)
• Madison, James (1751-1836)
  • Secretary of State (1801-1809)
• Marshall, John (1755-1835)
  • Secretary of State (1800-1801)
  • Secretary of State ad interim (1801)
• Lincoln, Levi (1749-1820)
  • Secretary of State ad interim (1801)
• Livingston, Robert R. (1746-1813)
  • Secretary of Foreign Affairs Under the Continental Congress (1781)
  • Minister Plenipotentiary, France (1801-1804)
• Murray, William Vans (1760-1803)
  • Minister Resident, Netherlands (1797-1801)
  • Minister Plenipotentiary, France (Not commissioned; nomination superseded by a nomination of Murray and two others to serve on a joint commission.)
• Pinckney, Charles Cotesworth (1757-1824)
  • Minister Plenipotentiary, Spain (1801-1804)
• Smith, William Loughton (1758-1812)
  • Minister Plenipotentiary, Portugal (1797-1801)
• Wagner, Jacob (?-?)
  • Chief Clerk (1798-1807)