Principal Officers and Chiefs of Mission, by year: 1911
Note: Career Foreign Service appointees are asterisked.
- Wilson, Huntington (Francis Mairs Huntington-Wilson) (1875-1946)
- Third Assistant Secretary of State (1906-1908)
- Diplomatic Agent, Bulgaria (1908)
- Envoy Extraordinary and Minister Plenipotentiary, Romania (1908)
- Envoy Extraordinary and Minister Plenipotentiary, Yugoslavia (1908)
- Envoy Extraordinary and Minister Plenipotentiary, Argentina (1909)
- Assistant Secretary of State (1909-1913)
- 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)
- Anderson, Larz (1866-1937)
- Envoy Extraordinary and Minister Plenipotentiary, Belgium (1911-1912)
- Ambassador Extraordinary and Plenipotentiary, Japan (1912-1913)
- Bacon, Robert (1860-1919)
- Assistant Secretary of State (1905-1909)
- Ambassador Extraordinary and Plenipotentiary, France (1909-1912)
- Secretary of State (1909)
- Beaupre, Arthur Matthias (1853-1919)
- Envoy Extraordinary and Minister Plenipotentiary, Colombia (1903)
- Envoy Extraordinary and Minister Plenipotentiary, Argentina (1904-1908)
- Envoy Extraordinary and Minister Plenipotentiary, Luxembourg (1908-1911)
- Envoy Extraordinary and Minister Plenipotentiary, Netherlands (1908-1911)
- Envoy Extraordinary and Minister Plenipotentiary, Cuba (1911-1913)
- Boutell, Henry Sherman (1856-1926)
- Envoy Extraordinary and Minister Plenipotentiary, Portugal (1911)
- Envoy Extraordinary and Minister Plenipotentiary, Switzerland (1911-1913)
- Clay, Henry (1777-1852)
- Secretary of State (1825-1829)
- Envoy Extraordinary and Minister Plenipotentiary, Spain (1909-1913)
- 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)
- Bryce, Lloyd Stephens (1850-1917)
- Envoy Extraordinary and Minister Plenipotentiary, Luxembourg (1911-1913)
- Envoy Extraordinary and Minister Plenipotentiary, Netherlands (1911-1913)
- Carpenter, Fred Warner (1873-1957)
- Envoy Extraordinary and Minister Plenipotentiary, Morocco (1910-1912)
- Envoy Extraordinary and Minister Plenipotentiary, Thailand (1912-1913)
- Carter, John Ridgely (1862-1944)
- Diplomatic Agent, Bulgaria (1909)
- Envoy Extraordinary and Minister Plenipotentiary, Romania (1909)
- Envoy Extraordinary and Minister Plenipotentiary, Yugoslavia (1909-1910)
- Envoy Extraordinary and Minister Plenipotentiary, Bulgaria (1910)
- Envoy Extraordinary and Minister Plenipotentiary, Romania (1910-1911)
- Envoy Extraordinary and Minister Plenipotentiary, Yugoslavia (1910-1911)
- Envoy Extraordinary and Minister Plenipotentiary, Argentina (1911)
- Crum, William Demos (1859-1912)
- Minister Resident/Consul General, Liberia (1910-1912)
- Combs, Leslie (1852-1940)
- Envoy Extraordinary and Minister Plenipotentiary, Guatemala (1902-1907)
- Envoy Extraordinary and Minister Plenipotentiary, Honduras (1902-1907)
- Envoy Extraordinary and Minister Plenipotentiary, Peru (1906-1911)
- *Dodge, Henry Percival (1870-1936)
- Envoy Extraordinary and Minister Plenipotentiary, El Salvador (1907-1909)
- Envoy Extraordinary and Minister Plenipotentiary, Honduras (1907-1909)
- Envoy Extraordinary and Minister Plenipotentiary, Morocco (1909-1910)
- Envoy Extraordinary and Minister Plenipotentiary, Panama (1911-1913)
- Envoy Extraordinary and Minister Plenipotentiary, Yugoslavia (1919-1926)
- Envoy Extraordinary and Minister Plenipotentiary, Denmark (1926-1930)
- *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)
- Egan, Maurice Francis (1852-1924)
- Envoy Extraordinary and Minister Plenipotentiary, Denmark (1907-1917)
- Einstein, Lewis David (1877-1967)
- Envoy Extraordinary and Minister Plenipotentiary, Costa Rica (1911)
- Envoy Extraordinary and Minister Plenipotentiary, Czechoslovakia (1921-1930)
- DuBois, James Taylor (1851-1920)
- Envoy Extraordinary and Minister Plenipotentiary, Colombia (1911-1913)
- Dudley, Irving Bedell (1861-1911)
- Envoy Extraordinary and Minister Plenipotentiary, Peru (1897-1907)
- Ambassador Extraordinary and Plenipotentiary, Brazil (1906-1911)
- Fox, Williams Carlton (1855-1924)
- Envoy Extraordinary and Minister Plenipotentiary, Ecuador (1907-1911)
- Furniss, Henry Watson (1868-)
- Envoy Extraordinary and Minister Plenipotentiary, Haiti (1905-1913)
- *Garrett, John Work (1872-1942)
- Envoy Extraordinary and Minister Plenipotentiary, Venezuela (1910-1911)
- Envoy Extraordinary and Minister Plenipotentiary, Argentina (1911-1913)
- Envoy Extraordinary and Minister Plenipotentiary, Luxembourg (1917-1919)
- Envoy Extraordinary and Minister Plenipotentiary, Netherlands (1917-1919)
- Ambassador Extraordinary and Plenipotentiary, Italy (1929-1933)
- Hale, Chandler (1873-1951)
- Third Assistant Secretary of State (1909-1913)
- Heimke, William (1847-1931)
- Envoy Extraordinary and Minister Plenipotentiary, Guatemala (1908-1909)
- Envoy Extraordinary and Minister Plenipotentiary, El Salvador (1909-1914)
- 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)
- Graves, Charles Hinman (1839-1928)
- Envoy Extraordinary and Minister Plenipotentiary, Norway (1905-1906)
- Envoy Extraordinary and Minister Plenipotentiary, Sweden (1905-1913)
- Grevstad, Nicolay Andrew (1851-1940)
- Envoy Extraordinary and Minister Plenipotentiary, Paraguay (1911-1914)
- Envoy Extraordinary and Minister Plenipotentiary, Uruguay (1911-1914)
- Guild, Curtis (1860-1915)
- Ambassador Extraordinary and Plenipotentiary, Russia (1911-1913)
- Hitt, Robert Stockwell Reynolds (1876-1938)
- Envoy Extraordinary and Minister Plenipotentiary, Panama (1909-1910)
- Envoy Extraordinary and Minister Plenipotentiary, Guatemala (1910-1913)
- Envoy Extraordinary and Minister Plenipotentiary, Venezuela (1910)
- Howard, Henry Clay (1860-1928)
- Envoy Extraordinary and Minister Plenipotentiary, Peru (1911-1913)
- *Jay, Peter Augustus (1877-1933)
- Agent/Consul General, Egypt (1909-1913)
- Envoy Extraordinary and Minister Plenipotentiary, El Salvador (1920-1921)
- Envoy Extraordinary and Minister Plenipotentiary, Romania (1921-1925)
- Ambassador Extraordinary and Plenipotentiary, Argentina (1925-1926)
- Ide, Henry Clay (1844-1921)
- Envoy Extraordinary and Minister Plenipotentiary, Spain (1909-1913)
- Jackson, John Brinkerhoff (1862-1920)
- Envoy Extraordinary and Minister Plenipotentiary, Chile (1902)
- Envoy Extraordinary and Minister Plenipotentiary, Greece (1902)
- Envoy Extraordinary and Minister Plenipotentiary, Romania (1902-1903)
- Envoy Extraordinary and Minister Plenipotentiary, Yugoslavia (1902)
- Diplomatic Agent, Bulgaria (1903)
- Envoy Extraordinary and Minister Plenipotentiary, Greece (1903)
- Diplomatic Agent, Romania (1903-1905)
- Envoy Extraordinary and Minister Plenipotentiary, Yugoslavia (1903-1905)
- Diplomatic Agent, Bulgaria (1905-1907)
- Envoy Extraordinary and Minister Plenipotentiary, Greece (1905-1907)
- Envoy Extraordinary and Minister Plenipotentiary, Montenegro (1905-1907)
- Envoy Extraordinary and Minister Plenipotentiary, Iran (1907-1909)
- Envoy Extraordinary and Minister Plenipotentiary, Cuba (1909-1911)
- Envoy Extraordinary and Minister Plenipotentiary, Bulgaria (1911-1913)
- Envoy Extraordinary and Minister Plenipotentiary, Romania (1911-1913)
- Envoy Extraordinary and Minister Plenipotentiary, Yugoslavia (1911-1913)
- Kerens, Richard C. (1841-1916)
- Ambassador Extraordinary and Plenipotentiary, Austria (1909-1913)
- King, Hamilton (1852-1912)
- Minister Resident/Consul General, Thailand (1898)
- Envoy Extraordinary and Minister Plenipotentiary, Thailand (1903-1912)
- Knowles, Horace Greeley (1863-1913)
- Envoy Extraordinary and Minister Plenipotentiary, Romania (1907)
- Envoy Extraordinary and Minister Plenipotentiary, Yugoslavia (1907)
- Diplomatic Agent, Bulgaria (1907-1909)
- Envoy Extraordinary and Minister Plenipotentiary, Romania (1907-1909)
- Envoy Extraordinary and Minister Plenipotentiary, Yugoslavia (1907-1909)
- Envoy Extraordinary and Minister Plenipotentiary, Nicaragua (1909)
- Minister Resident/Consul General, Dominican Republic (1909-1910)
- Envoy Extraordinary and Minister Plenipotentiary, Bolivia (1910-1913)
- Knox, Philander Chase (1853-1921)
- Secretary of State (1909-1913)
- McCreery, Fenton Reuben (1866-1940)
- Minister Resident/Consul General, Dominican Republic (1907-1909)
- Envoy Extraordinary and Minister Plenipotentiary, Honduras (1909-1911)
- 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)
- 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)
- *Morgan, Edwin Vernon (1865-1934)
- Envoy Extraordinary and Minister Plenipotentiary, Korea (1905)
- Envoy Extraordinary and Minister Plenipotentiary, Cuba (1905-1910)
- Envoy Extraordinary and Minister Plenipotentiary, Paraguay (1909-1911)
- Envoy Extraordinary and Minister Plenipotentiary, Uruguay (1909-1911)
- Envoy Extraordinary and Minister Plenipotentiary, Portugal (1911-1912)
- Ambassador Extraordinary and Plenipotentiary, Brazil (1912-1933)
- Northcott, Elliott (1869-1946)
- Envoy Extraordinary and Minister Plenipotentiary, Colombia (1909-1910)
- Envoy Extraordinary and Minister Plenipotentiary, Nicaragua (1911)
- Envoy Extraordinary and Minister Plenipotentiary, Venezuela (1911-1913)
- O'Brien, Thomas James (1842-1933)
- Envoy Extraordinary and Minister Plenipotentiary, Denmark (1905-1907)
- Ambassador Extraordinary and Plenipotentiary, Japan (1907-1911)
- Ambassador Extraordinary and Plenipotentiary, Italy (1911-1913)
- Peirce, Herbert Henry Davis (1849-1916)
- Third Assistant Secretary of State (1901-1906)
- Envoy Extraordinary and Minister Plenipotentiary, Norway (1906-1911)
- Reid, Whitelaw (1837-1912)
- Envoy Extraordinary and Minister Plenipotentiary, France (1889-1892)
- Ambassador Extraordinary and Plenipotentiary, United Kingdom (1905-1912)
- 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)
- Russell, Charles Wells (1856-1927)
- Envoy Extraordinary and Minister Plenipotentiary, Iran (1909-1914)
- Russell, William Worthington (1859-1944)
- Envoy Extraordinary and Minister Plenipotentiary, Colombia (1904-1905)
- Envoy Extraordinary and Minister Plenipotentiary, Venezuela (1905)
- Minister Resident/Consul General, Dominican Republic (1910)
- Envoy Extraordinary and Minister Plenipotentiary, Dominican Republic (1911-1913)
- Envoy Extraordinary and Minister Plenipotentiary, Dominican Republic (1915-1925)
- Envoy Extraordinary and Minister Plenipotentiary, Thailand (1925-1927)
- 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)
- Weitzel, George Thomas (1873-1936)
- Envoy Extraordinary and Minister Plenipotentiary, Nicaragua (1911-1913)
- White, Charles Dunning (1868-1954)
- Envoy Extraordinary and Minister Plenipotentiary, Honduras (1911)
- Ambassador Extraordinary and Plenipotentiary, Laos (1973-1975)
- Ambassador Extraordinary and Plenipotentiary, Thailand (1975-1978)
- Young, Evan Erastus (1878-1946)
- Envoy Extraordinary and Minister Plenipotentiary, Ecuador (1911-1912)
- Envoy Extraordinary and Minister Plenipotentiary, Dominican Republic (1925-1929)
- Envoy Extraordinary and Minister Plenipotentiary, Bolivia (1929)