Principal Officers and Chiefs of Mission, by year: 1925
Note: Career Foreign Service appointees are asterisked.
- *Wright, Joshua Butler (1877-1939)
- Third Assistant Secretary of State (1923-1924)
- Assistant Secretary of State (1924-1927)
- Envoy Extraordinary and Minister Plenipotentiary, Hungary (1927-1930)
- Envoy Extraordinary and Minister Plenipotentiary, Uruguay (1930-1934)
- Envoy Extraordinary and Minister Plenipotentiary, Czechoslovakia (1934-1937)
- Ambassador Extraordinary and Plenipotentiary, Cuba (1937-1939)
- *Wilson, Charles Stetson (1873-1947)
- Envoy Extraordinary and Minister Plenipotentiary, Bulgaria (1921-1928)
- Envoy Extraordinary and Minister Plenipotentiary, Romania (1928-1933)
- Envoy Extraordinary and Minister Plenipotentiary, Yugoslavia (1933-1937)
- Bading, Gerhard Adolph (1870-1946)
- Envoy Extraordinary and Minister Plenipotentiary, Ecuador (1922-1929)
- Bancroft, Edgar Addison (1857-1925)
- Ambassador Extraordinary and Plenipotentiary, Japan (1924-1925)
- *Bell, John Oscar (1912-)
- Ambassador Extraordinary and Plenipotentiary, Guatemala (1916-1965)
- Legal Adviser (2005)
- *Blake, Maxwell (1877-1959)
- Agent/Consul General, Morocco (1917-1922)
- Diplomatic Agent/Consul General, Morocco (1925-1940)
- Chargé d'Affaires ad interim (served as Chargé d'Affaires ad interim, Sep. 1912-Jul 1917.;
)
- *Bliss, Robert Woods (1875-1962)
- Third Assistant Secretary of State (1921-1923)
- Envoy Extraordinary and Minister Plenipotentiary, Sweden (1923-1927)
- Ambassador Extraordinary and Plenipotentiary, Argentina (1927-1933)
- Brentano, Theodore (1854-1940)
- Envoy Extraordinary and Minister Plenipotentiary, Hungary (1922-1927)
- Brodie, Edward Everett (1876-1939)
- Envoy Extraordinary and Minister Plenipotentiary, Thailand (1921-1925)
- Envoy Extraordinary and Minister Plenipotentiary, Finland (1930-1933)
- Carr, Wilbur John (1870-1942)
- Assistant Secretary of State (1924-1933)
- Assistant Secretary of State (1933-1937)
- Envoy Extraordinary and Minister Plenipotentiary, Czechoslovakia (1937-1939)
- Crowder, Enoch Herbert (1859-1932)
- Ambassador Extraordinary and Plenipotentiary, Cuba (1923-1927)
- Culbertson, William Smith (1884-1966)
- Envoy Extraordinary and Minister Plenipotentiary, Romania (1925-1928)
- Ambassador Extraordinary and Plenipotentiary, Chile (1928-1933)
- Davis, Roy Tasco (1889-1975)
- Envoy Extraordinary and Minister Plenipotentiary, Guatemala (1921)
- Envoy Extraordinary and Minister Plenipotentiary, Costa Rica (1922-1930)
- Envoy Extraordinary and Minister Plenipotentiary, Panama (1929-1933)
- Ambassador Extraordinary and Plenipotentiary, Haiti (1953-1957)
- Coleman, Frederick William Backus (1874-1947)
- Envoy Extraordinary and Minister Plenipotentiary, Estonia (1922-1931)
- Envoy Extraordinary and Minister Plenipotentiary, Latvia (1922-1931)
- Envoy Extraordinary and Minister Plenipotentiary, Lithuania (1922-1931)
- Envoy Extraordinary and Minister Plenipotentiary, Denmark (1931-1933)
- Collier, William Miller (1867-1956)
- Envoy Extraordinary and Minister Plenipotentiary, Spain (1905-1909)
- Ambassador Extraordinary and Plenipotentiary, Chile (1921-1928)
- Cook, Willis Clifford (1874-1942)
- Envoy Extraordinary and Minister Plenipotentiary, Venezuela (1921-1929)
- Cottrell, Jesse Samuel (1878-1944)
- Envoy Extraordinary and Minister Plenipotentiary, Bolivia (1921-1928)
- *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)
- *Dearing, Fred Morris (1879-1963)
- Assistant Secretary of State (1921-1922)
- Envoy Extraordinary and Minister Plenipotentiary, Portugal (1922-1930)
- Ambassador Extraordinary and Plenipotentiary, Peru (1930-1937)
- Envoy Extraordinary and Minister Plenipotentiary, Sweden (1937-1938)
- *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)
- *Eberhardt, Charles Christopher (1871-1965)
- Envoy Extraordinary and Minister Plenipotentiary, Nicaragua (1925-1929)
- Envoy Extraordinary and Minister Plenipotentiary, Costa Rica (1930-1933)
- Einstein, Lewis David (1877-1967)
- Envoy Extraordinary and Minister Plenipotentiary, Costa Rica (1911)
- Envoy Extraordinary and Minister Plenipotentiary, Czechoslovakia (1921-1930)
- Geissler, Arthur H. (1877-1945)
- Envoy Extraordinary and Minister Plenipotentiary, Guatemala (1922-1930)
- Envoy Extraordinary and Minister Plenipotentiary, Thailand (1929)
- *Fletcher, Henry Prather (1873-1959)
- Envoy Extraordinary and Minister Plenipotentiary, Chile (1909-1910)
- Ambassador Extraordinary and Plenipotentiary, Chile (1914-1916)
- Ambassador Extraordinary and Plenipotentiary, Mexico (1916-1919)
- Under Secretary of State (1921-1922)
- Ambassador Extraordinary and Plenipotentiary, Belgium (1922-1924)
- Envoy Extraordinary and Minister Plenipotentiary, Luxembourg (1923-1924)
- Ambassador Extraordinary and Plenipotentiary, Italy (1924-1929)
- Hammond, Ogden Haggerty (1869-1956)
- Ambassador Extraordinary and Plenipotentiary, Spain (1925-1929)
- *Harrison, Leland (1883-1951)
- Assistant Secretary of State (1922-1924)
- Assistant Secretary of State (1924-1927)
- Envoy Extraordinary and Minister Plenipotentiary, Sweden (1927-1929)
- Envoy Extraordinary and Minister Plenipotentiary, Uruguay (1929-1930)
- Envoy Extraordinary and Minister Plenipotentiary, Romania (1935-1937)
- Envoy Extraordinary and Minister Plenipotentiary, Switzerland (1937-1947)
- Hart, Charles Calmer (1878-1956)
- Envoy Extraordinary and Minister Plenipotentiary, Albania (1925)
- Envoy Extraordinary and Minister Plenipotentiary, Iran (1929-1933)
- Herrick, Myron Timothy (1854-1929)
- Ambassador Extraordinary and Plenipotentiary, France (1912-1914)
- Ambassador Extraordinary and Plenipotentiary, France (1921-1929)
- *Gibson, Hugh Simons (1883-1954)
- Envoy Extraordinary and Minister Plenipotentiary, Poland (1919-1924)
- Envoy Extraordinary and Minister Plenipotentiary, Switzerland (1924-1927)
- Ambassador Extraordinary and Plenipotentiary, Belgium (1927-1933)
- Envoy Extraordinary and Minister Plenipotentiary, Luxembourg (1927-1933)
- Ambassador Extraordinary and Plenipotentiary, Brazil (1933-1936)
- Ambassador Extraordinary and Plenipotentiary, Belgium (1937-1938)
- Envoy Extraordinary and Minister Plenipotentiary, Luxembourg (1937-1938)
- *Grant-Smith, Ulysses (1870-1959)
- Envoy Extraordinary and Minister Plenipotentiary, Albania (1922-1925)
- Envoy Extraordinary and Minister Plenipotentiary, Uruguay (1925-1929)
- *Grew, Joseph Clark (1880-1965)
- Envoy Extraordinary and Minister Plenipotentiary, Denmark (1920-1921)
- Envoy Extraordinary and Minister Plenipotentiary, Switzerland (1921-1924)
- Under Secretary of State (1924-1927)
- Ambassador Extraordinary and Plenipotentiary, Turkey (1927-1932)
- Ambassador Extraordinary and Plenipotentiary, Japan (1932-1941)
- Under Secretary of State (1944-1945)
- Secretary of State ad interim (1945)
- Hood, Solomon Porter (1853-1943)
- Minister Resident/Consul General, Liberia (1921-1926)
- Houghton, Alanson Bigelow (1863-1941)
- Ambassador Extraordinary and Plenipotentiary, Germany (1922-1925)
- Ambassador Extraordinary and Plenipotentiary, United Kingdom (1925-1929)
- Howell, Joseph Morton (1863-1937)
- Agent/Consul General, Egypt (1921)
- Envoy Extraordinary and Minister Plenipotentiary, Egypt (1922-1927)
- Hughes, Charles Evans (1862-1948)
- Secretary of State (1921-1925)
- *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)
- Kreeck, George Lewis (1882-1945)
- Envoy Extraordinary and Minister Plenipotentiary, Paraguay (1925-1930)
- Kagey, Charles Lemuel (1876-1941)
- Envoy Extraordinary and Minister Plenipotentiary, Finland (1921-1925)
- Kellogg, Frank Billings (1856-1937)
- Ambassador Extraordinary and Plenipotentiary, United Kingdom (1923-1925)
- Secretary of State (1925-1929)
- *MacMurray, John Van Antwerp (1881-1960)
- Assistant Secretary of State (1924-1925)
- Envoy Extraordinary and Minister Plenipotentiary, China (1925-1929)
- Envoy Extraordinary and Minister Plenipotentiary, Estonia (1933-1936)
- Envoy Extraordinary and Minister Plenipotentiary, Latvia (1933-1936)
- Envoy Extraordinary and Minister Plenipotentiary, Lithuania (1933)
- Ambassador Extraordinary and Plenipotentiary, Turkey (1936-1941)
- MacVeagh, Charles (1860-1931)
- Ambassador Extraordinary and Plenipotentiary, Japan (1925-1928)
- *Laughlin, Irwin Boyle (1871-1941)
- Envoy Extraordinary and Minister Plenipotentiary, Greece (1924-1926)
- Ambassador Extraordinary and Plenipotentiary, Spain (1929-1933)
- Moore, Alexander Pollock (1867-1930)
- Ambassador Extraordinary and Plenipotentiary, Spain (1923-1925)
- Ambassador Extraordinary and Plenipotentiary, Peru (1928-1929)
- Ambassador Extraordinary and Plenipotentiary, Poland (1930)
- Morales, Franklin E. (1884-1962)
- Envoy Extraordinary and Minister Plenipotentiary, Honduras (1921-1925)
- *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)
- Olds, Robert Edwin (1875-1932)
- Assistant Secretary of State (1925-1927)
- Under Secretary of State (1927-1928)
- Pearson, Alfred John (1869-1939)
- Envoy Extraordinary and Minister Plenipotentiary, Poland (1924-1925)
- Envoy Extraordinary and Minister Plenipotentiary, Finland (1925-1930)
- *Philip, Hoffman (1872-1951)
- Minister Resident/Consul General, Ethiopia (1908-1910)
- Envoy Extraordinary and Minister Plenipotentiary, Colombia (1917-1922)
- Envoy Extraordinary and Minister Plenipotentiary, Uruguay (1922-1925)
- Envoy Extraordinary and Minister Plenipotentiary, Iran (1925-1928)
- Envoy Extraordinary and Minister Plenipotentiary, Norway (1930-1935)
- Ambassador Extraordinary and Plenipotentiary, Chile (1935-1937)
- *Phillips, William (1878-1968)
- Envoy Extraordinary and Minister Plenipotentiary, Luxembourg (1920-1922)
- Envoy Extraordinary and Minister Plenipotentiary, Netherlands (1920-1922)
- Ambassador Extraordinary and Plenipotentiary, Belgium (1924-1927)
- Envoy Extraordinary and Minister Plenipotentiary, Luxembourg (1924-1927)
- Envoy Extraordinary and Minister Plenipotentiary, Canada (1927-1929)
- Ambassador Extraordinary and Plenipotentiary, Italy (1936-1941)
- Third Assistant Secretary of State (1909)
- Third Assistant Secretary of State (1914-1917)
- Under Secretary of State (1922-1924)
- Under Secretary of State (1933-1936)
- Piles, Samuel Henry (1858-1940)
- Envoy Extraordinary and Minister Plenipotentiary, Colombia (1922-1928)
- Poindexter, Miles (1868-1946)
- Ambassador Extraordinary and Plenipotentiary, Peru (1923-1928)
- Prince, John Dyneley (1868-1945)
- Envoy Extraordinary and Minister Plenipotentiary, Denmark (1921-1926)
- Envoy Extraordinary and Minister Plenipotentiary, Yugoslavia (1926-1932)
- Ramer, John Edward (1870-1926)
- Envoy Extraordinary and Minister Plenipotentiary, Nicaragua (1921-1925)
- *Riddle, John Wallace (1864-1941)
- Agent/Consul General, Egypt (1903-1905)
- Envoy Extraordinary and Minister Plenipotentiary, Romania (1905-1907)
- Envoy Extraordinary and Minister Plenipotentiary, Yugoslavia (1905-1907)
- Ambassador Extraordinary and Plenipotentiary, Russia (1906-1909)
- Ambassador Extraordinary and Plenipotentiary, Argentina (1921-1925)
- 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)
- Schurman, Jacob Gould (1854-1942)
- Envoy Extraordinary and Minister Plenipotentiary, Greece (1912-1913)
- Envoy Extraordinary and Minister Plenipotentiary, Montenegro (1912-1913)
- Envoy Extraordinary and Minister Plenipotentiary, China (1921-1925)
- Ambassador Extraordinary and Plenipotentiary, Germany (1925-1930)
- *Schuyler, Montgomery (1877-1955)
- Envoy Extraordinary and Minister Plenipotentiary, Ecuador (1913)
- Envoy Extraordinary and Minister Plenipotentiary, El Salvador (1921-1925)
- Sheffield, James Rockwell (1864-1938)
- Ambassador Extraordinary and Plenipotentiary, Mexico (1924-1927)
- Stetson, John Batterson (1884-1952)
- Envoy Extraordinary and Minister Plenipotentiary, Finland (1925)
- Envoy Extraordinary and Minister Plenipotentiary, Poland (1925-1929)
- South, John Glover (1873-1940)
- Envoy Extraordinary and Minister Plenipotentiary, Panama (1921-1930)
- Envoy Extraordinary and Minister Plenipotentiary, Portugal (1929-1933)
- *Summerlin, George Thomas (1872-1947)
- Envoy Extraordinary and Minister Plenipotentiary, Honduras (1925-1929)
- Envoy Extraordinary and Minister Plenipotentiary, Venezuela (1929-1935)
- Envoy Extraordinary and Minister Plenipotentiary, Panama (1934)
- Envoy Extraordinary and Minister Plenipotentiary, Panama (1935-1937)
- Chief of Protocol (1937-1938)
- 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)
- Washburn, Albert Henry (1866-1930)
- Envoy Extraordinary and Minister Plenipotentiary, Austria (1922-1930)
- Tobin, Richard Montgomery (1866-1952)
- Envoy Extraordinary and Minister Plenipotentiary, Luxembourg (1923)
- Envoy Extraordinary and Minister Plenipotentiary, Netherlands (1923)
- Envoy Extraordinary and Minister Plenipotentiary, Netherlands (1923-1929)
- 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)