Principal Officers and Chiefs of Mission, by year: 1899
Note: Career Foreign Service appointees are asterisked.
- Adee, Alvey Augustus (1842-1924)
- Third Assistant Secretary of State (1882-1886)
- Second Assistant Secretary of State (1886-1924)
- Secretary of State ad interim (1898)
- Assistant Secretary of State (1924)
- Bowen, Herbert Wolcott (1856-1927)
- Minister Resident/Consul General, Iran (1899-1901)
- Envoy Extraordinary and Minister Plenipotentiary, Venezuela (1901-1905)
- Bridgman, George H. (1853-1925)
- Envoy Extraordinary and Minister Plenipotentiary, Bolivia (1897-1902)
- Bryan, Charles Page (1856-1918)
- Envoy Extraordinary and Minister Plenipotentiary, China (1897)
- Envoy Extraordinary and Minister Plenipotentiary, Brazil (1898-1902)
- Envoy Extraordinary and Minister Plenipotentiary, Switzerland (1902)
- Envoy Extraordinary and Minister Plenipotentiary, Switzerland (1902)
- Envoy Extraordinary and Minister Plenipotentiary, Portugal (1903-1910)
- Envoy Extraordinary and Minister Plenipotentiary, Belgium (1909-1911)
- Ambassador Extraordinary and Plenipotentiary, Japan (1911-1912)
- Buchanan, William Insco (1853-1909)
- Envoy Extraordinary and Minister Plenipotentiary, Argentina (1894-1899)
- Envoy Extraordinary and Minister Plenipotentiary, Panama (1903-1904)
- Buck, Alfred Eliab (1832-1902)
- Envoy Extraordinary and Minister Plenipotentiary, Japan (1897-1902)
- Choate, Joseph Hodges (1832-1917)
- Ambassador Extraordinary and Plenipotentiary, United Kingdom (1899-1905)
- Clayton, Powell (1833-1914)
- Envoy Extraordinary and Minister Plenipotentiary, Mexico (1897)
- Ambassador Extraordinary and Plenipotentiary, Mexico (1898-1905)
- Conger, Edwin Hurd (1843-1907)
- Envoy Extraordinary and Minister Plenipotentiary, Brazil (1890-1893)
- Envoy Extraordinary and Minister Plenipotentiary, Brazil (1897-1898)
- Envoy Extraordinary and Minister Plenipotentiary, China (1898-1905)
- Ambassador Extraordinary and Plenipotentiary, Mexico (1905)
- Cridler, Thomas Wilbur (1850-1914)
- Third Assistant Secretary of State (1897-1901)
- *Dillery, Carl Edward (1930-)
- Ambassador Extraordinary and Plenipotentiary, Kiribati (1884-1987)
- Ambassador Extraordinary and Plenipotentiary, Fiji (1984-1987)
- Ambassador Extraordinary and Plenipotentiary, Tonga (1984-1987)
- Ambassador Extraordinary and Plenipotentiary, Tuvalu (1984-1987)
- Draper, William Franklin (1842-1910)
- Ambassador Extraordinary and Plenipotentiary, Italy (1897-1900)
- Dudley, Irving Bedell (1861-1911)
- Envoy Extraordinary and Minister Plenipotentiary, Peru (1897-1907)
- Ambassador Extraordinary and Plenipotentiary, Brazil (1906-1911)
- Fearn, John Walker (1832-1899)
- Minister Resident/Consul General, Yugoslavia (1885-1889)
- Minister Resident/Consul General, Greece (1885-1889)
- Minister Resident/Consul General, Romania (1885-1899)
- Finch, William Rufus (1847-1913)
- Envoy Extraordinary and Minister Plenipotentiary, Paraguay (1897-1905)
- Envoy Extraordinary and Minister Plenipotentiary, Uruguay (1897-1905)
- Hardy, Arthur Sherburne (1847-1930)
- Minister Resident/Consul General, Iran (1897-1899)
- Envoy Extraordinary and Minister Plenipotentiary, Greece (1899-1901)
- Envoy Extraordinary and Minister Plenipotentiary, Romania (1899-1901)
- Envoy Extraordinary and Minister Plenipotentiary, Yugoslavia (1899-1901)
- Envoy Extraordinary and Minister Plenipotentiary, Switzerland (1900-1903)
- Envoy Extraordinary and Minister Plenipotentiary, Spain (1902-1905)
- Harris, Addison Clay (1840-1916)
- Envoy Extraordinary and Minister Plenipotentiary, Austria (1899-1901)
- Harrison, Thomas Skelton (1837-1919)
- Agent/Consul General, Egypt (1897-1899)
- Hart, Charles Burdett (1851-1930)
- Envoy Extraordinary and Minister Plenipotentiary, Colombia (1897-1903)
- Hay, John Milton (1838-1905)
- Assistant Secretary of State (1879-1881)
- Ambassador Extraordinary and Plenipotentiary, United Kingdom (1897-1898)
- Secretary of State (1898-1905)
- Hill, David Jayne (1850-1932)
- Assistant Secretary of State (1898-1903)
- Envoy Extraordinary and Minister Plenipotentiary, Switzerland (1903-1905)
- Envoy Extraordinary and Minister Plenipotentiary, Luxembourg (1905-1908)
- Envoy Extraordinary and Minister Plenipotentiary, Netherlands (1905-1908)
- Ambassador Extraordinary and Plenipotentiary, Germany (1908-1911)
- Hitchcock, Ethan Allen (1835-1909)
- Envoy Extraordinary and Minister Plenipotentiary, Russia (1897)
- Ambassador Extraordinary and Plenipotentiary, Russia (1898-1899)
- Hunter, Whiteside Godfrey (1841-1917)
- Envoy Extraordinary and Minister Plenipotentiary, Guatemala (1897-1903)
- Irwin, John Nichol (1845-1905)
- Envoy Extraordinary and Minister Plenipotentiary, Portugal (1899-1900)
- Leishman, John G.A. (1857-1924)
- Envoy Extraordinary and Minister Plenipotentiary, Switzerland (1897-1901)
- Envoy Extraordinary and Minister Plenipotentiary, Turkey (1900-1901)
- Ambassador Extraordinary and Plenipotentiary, Turkey (1906)
- Ambassador Extraordinary and Plenipotentiary, Italy (1909-1911)
- Ambassador Extraordinary and Plenipotentiary, Germany (1911-1913)
- Long, John G. (1846-1903)
- Agent/Consul General, Egypt (1899-1903)
- Lord, William Paine (1838-1911)
- Minister Resident/Consul General, Iran (1899)
- Envoy Extraordinary and Minister Plenipotentiary, Argentina (1899-1903)
- Merry, William Lawrence (1842-1911)
- Envoy Extraordinary and Minister Plenipotentiary, Costa Rica (1897-1898)
- Envoy Extraordinary and Minister Plenipotentiary, Nicaragua (1897-1899)
- Envoy Extraordinary and Minister Plenipotentiary, El Salvador (1897-1907)
- Envoy Extraordinary and Minister Plenipotentiary, Costa Rica (1907)
- Envoy Extraordinary and Minister Plenipotentiary, Nicaragua (1907-1908)
- Envoy Extraordinary and Minister Plenipotentiary, Costa Rica (1908-1911)
- Porter, Horace (1837-1921)
- Ambassador Extraordinary and Plenipotentiary, France (1897-1905)
- Powell, William Frank (1848-1920)
- Chargé d'Affaires, Dominican Republic (1897-1904)
- Envoy Extraordinary and Minister Plenipotentiary, Haiti (1897-1905)
- Rockhill, William Woodville (1854-1914)
- Third Assistant Secretary of State (1894-1896)
- Assistant Secretary of State (1896-1897)
- Envoy Extraordinary and Minister Plenipotentiary/Consul General Envoys Extraordinary and Ministers Plenipotentiary/Consuls
General, Greece (1897)
- Envoy Extraordinary and Minister Plenipotentiary/Consul General Envoys Extraordinary and Ministers Plenipotentiary/Consuls
General, Romania (1897-1898)
- Envoy Extraordinary and Minister Plenipotentiary/Consul General Envoys Extraordinary and Ministers Plenipotentiary/Consuls
General, Yugoslavia (1897-1898)
- Envoy Extraordinary and Minister Plenipotentiary, Greece (1898-1899)
- Envoy Extraordinary and Minister Plenipotentiary, Romania (1898-1899)
- Envoy Extraordinary and Minister Plenipotentiary, Yugoslavia (1898-1899)
- Envoy Extraordinary and Minister Plenipotentiary, China (1905-1909)
- Ambassador Extraordinary and Plenipotentiary, Russia (1909-1911)
- Ambassador Extraordinary and Plenipotentiary, Turkey (1911-1913)
- Sampson, Archibald Johnson (1839-1921)
- Envoy Extraordinary and Minister Plenipotentiary, Ecuador (1897-1905)
- Smith, Owen Lun West (1851-?)
- Minister Resident/Consul General, Liberia (1898-1902)
- Storer, Bellamy (1847-1922)
- Envoy Extraordinary and Minister Plenipotentiary, Belgium (1897-1899)
- Envoy Extraordinary and Minister Plenipotentiary, Spain (1899-1902)
- Ambassador Extraordinary and Plenipotentiary, Austria (1902-1906)
- Straus, Oscar Solomon (1850-1926)
- Envoy Extraordinary and Minister Plenipotentiary, Turkey (1887-1889)
- Envoy Extraordinary and Minister Plenipotentiary, Turkey (1898-1899)
- Ambassador Extraordinary and Plenipotentiary, Turkey (1909-1910)
- Swenson, Laurits Selmer (1865-1947)
- Envoy Extraordinary and Minister Plenipotentiary, Denmark (1897-1905)
- Envoy Extraordinary and Minister Plenipotentiary, Switzerland (1909-1911)
- Envoy Extraordinary and Minister Plenipotentiary, Norway (1911-1913)
- Envoy Extraordinary and Minister Plenipotentiary, Norway (1921-1930)
- Envoy Extraordinary and Minister Plenipotentiary, Netherlands (1931-1934)
- Thomas, William Widgery (1839-1927)
- Minister Resident, Sweden (1883-1885)
- Envoy Extraordinary and Minister Plenipotentiary, Sweden (1889-1894)
- Envoy Extraordinary and Minister Plenipotentiary, Sweden (1898-1905)
- Tower, Charlemagne (1848-1923)
- Envoy Extraordinary and Minister Plenipotentiary, Austria (1897-1899)
- Ambassador Extraordinary and Plenipotentiary, Russia (1899-1902)
- Ambassador Extraordinary and Plenipotentiary, Germany (1902-1908)
- Townsend, Lawrence (1860-1954)
- Envoy Extraordinary and Minister Plenipotentiary, Portugal (1897-1899)
- Envoy Extraordinary and Minister Plenipotentiary, Belgium (1899-1905)
- White, Andrew Dickson (1832-1918)
- Envoy Extraordinary and Minister Plenipotentiary, Germany (1879-1881)
- Envoy Extraordinary and Minister Plenipotentiary, Russia (1892-1894)
- Ambassador Extraordinary and Plenipotentiary, Germany (1897-1902)
- Wilson, Henry Lane (1856-1932)
- Envoy Extraordinary and Minister Plenipotentiary, Chile (1897-1904)
- Envoy Extraordinary and Minister Plenipotentiary, Greece (1902)
- Envoy Extraordinary and Minister Plenipotentiary, Romania (1902)
- Envoy Extraordinary and Minister Plenipotentiary, Yugoslavia (1902)
- Envoy Extraordinary and Minister Plenipotentiary, Belgium (1905-1909)
- Ambassador Extraordinary and Plenipotentiary, Mexico (1909-1910)