Chiefs of Mission for Mexico
- Andrew Jackson (1823-)
- Ninian Edwards (1824-)
- Joel Roberts Poinsett (1825-)
- Anthony Butler (1829-)
- Powhatan Ellis (1836-1836)
- Powhatan Ellis (1839-1842)
- Waddy Thompson (1842-)
- Wilson Shannon (1844-)
- John Slidell (1845-)
- Nathan Clifford (1848-1849)
- Robert Perkins Letcher (1849-1852)
- Alfred Conkling (1852-1853)
- James Gadsden (1853-1856)
- John Forsyth (1856-)
- Robert Milligan McLane (1859-1860)
- John B. Weller (1860-1861)
- Thomas Corwin (1861-1864)
- John Alexander Logan (1865-)
- Lewis Davis Campbell (1866-)
- Marcus Otterbourg (1867-)
- William Starke Rosecrans (1868-1869)
- Thomas Henry Nelson (1869-1873)
- John Watson Foster (1873-1880)
- Philip Hicky Morgan (1880-1885)
- Henry Rootes Jackson (1885-1886)
- Thomas Courtland Manning (1886-1887)
- Edward Stuyvesant Bragg (1888-1889)
- Thomas Ryan (1889-1893)
- Isaac Pusey Gray (1893-1894)
- Matthew Whitaker Ransom (1895-1895)
- Matthew Whitaker Ransom (1895-1897)
- Powell Clayton (1897-)
- Powell Clayton (1898-1905)
- Edwin Hurd Conger (1905-1905)
- David Eugene Thompson (1906-1909)
- Henry Lane Wilson (1909-)
- Henry Prather Fletcher (1916-1919)
- Charles Beecher Warren (1924-1924)
- James Rockwell Sheffield (1924-1927)
- Dwight Whitney Morrow (1927-1930)
- Joshua Reuben Clark (1930-1933)
- Josephus Daniels (1933-1941)
- George Strausser Messersmith (1941-1946)
- Walter Clarence Thurston (1946-1950)
- William O'Dwyer (1950-1952)
- Francis White (1953-1957)
- Robert Charles Hill (1957-1960)
- Thomas Clifton Mann (1961-1963)
- Fulton Freeman (1964-1969)
- Robert Henry McBride (1969-1974)
- Joseph John Jova (1973-1977)
- Patrick Joseph Lucey (1977-1979)
- Julian Nava (1980-1981)
- John A. Gavin (1981-1986)
- Charles J. Pilliod (1986-1989)
- John Dimitri Negroponte (1989-1993)
- James Robert Jones (1993-1997)
- Jeffrey S. Davidow (1998-2002)
- Antonio O. Garza (2002-2009)
- Carlos Pascual (2009-2011)
- Earl Anthony Wayne (2011-)
- Nelson O'Shaughnessy (-)
- Henry Morgenthau (-)
- William Henry Corwin (-)
- Charles H. Brayshaw (-)
- John Alexander McClernand (-)