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Principal Officers and Chiefs of Mission, by Name: N

Note: Career Foreign Service appointees are asterisked.

  • *Tibor P. Nagy Jr. (1949–)
    • Ambassador Extraordinary and Plenipotentiary, Guinea (1996–1999)
    • Ambassador Extraordinary and Plenipotentiary, Ethiopia (1999–2002)
    • Assistant Secretary of State for African Affairs (2018)
  • *Adam E. Namm (1963–)
    • Ambassador Extraordinary and Plenipotentiary, Ecuador (2012–2015)
    • Director of the Office of Management Policy, Rightsizing, and Innovation (2015–2016)
  • *Larry C. Napper (1947–)
    • Ambassador Extraordinary and Plenipotentiary, Latvia (1995–1998)
    • Ambassador Extraordinary and Plenipotentiary, Kazakhstan (2001–2004)
  • Nicole R. Nason (1970–)
    • Assistant Secretary of State for Administration (2017)
  • Thomas Anthony Nassif (1941–)
    • Ambassador Extraordinary and Plenipotentiary, Morocco (1985–1988)
  • Denise Natali (?–)
    • Assistant Secretary of State for Conflict and Stabilization Operations (2018)
  • Julian Nava (1927–)
    • Ambassador Extraordinary and Plenipotentiary, Mexico (1980–1981)
  • *John R. Nay (1953–)
    • Ambassador Extraordinary and Plenipotentiary, Suriname (2009–2012)
  • *James D. Nealon Jr. (1954–)
    • Ambassador Extraordinary and Plenipotentiary, Honduras (2014–2017)
  • *John Dimitri Negroponte (1939–)
    • Ambassador Extraordinary and Plenipotentiary, Honduras (1981–1985)
    • Assistant Secretary of State for Oceans and International Environmental and Scientific Affairs (1985–1987)
    • Ambassador Extraordinary and Plenipotentiary, Mexico (1989–1993)
    • Ambassador Extraordinary and Plenipotentiary, Philippines (1993–1996)
    • Representative of the U.S.A. to the United Nations (2001–2004)
    • Ambassador Extraordinary and Plenipotentiary, Iraq (2004–2005)
    • Deputy Secretary of State (2007–2009)
  • *Leonardo Neher (1922–)
    • Ambassador Extraordinary and Plenipotentiary, Burkina Faso (1984–1987)
  • *Wayne E. Neill II (1957–)
    • Ambassador Extraordinary and Plenipotentiary, Benin (2003–2006)
  • Charles Joseph Nelson (1920–2011)
    • Ambassador Extraordinary and Plenipotentiary, Botswana (1971–1974)
    • Ambassador Extraordinary and Plenipotentiary, Lesotho (1971–1974)
    • Ambassador Extraordinary and Plenipotentiary, Swaziland (1971–1974)
  • *David Daniel Nelson (1956–)
    • Ambassador Extraordinary and Plenipotentiary, Uruguay (2009–2011)
  • *Eric G. Nelson (?–)
    • Ambassador Extraordinary and Plenipotentiary, Bosnia and Herzegovina (2019)
  • *Harvey Frans Nelson Jr. (1924–)
    • Ambassador Extraordinary and Plenipotentiary, Swaziland (1985–1988)
  • Hugh Nelson (1768–1836)
    • Minister Plenipotentiary, Spain (1823–1825)
  • John Nelson (1794–1860)
    • Chargé d’Affaires, Kingdom of the Two Sicilies (1831–1832)
    • Secretary of State ad interim (1844)
  • Thomas Ames Rogers Nelson (1812–1873)
    • Commissioner, China (1851)
  • Thomas Henry Nelson (1824–1896)
    • Envoy Extraordinary and Minister Plenipotentiary, Chile (1861–1866)
    • Envoy Extraordinary and Minister Plenipotentiary, Mexico (1869–1873)
  • Hassan Nemazee (1950–)
    • Ambassador Extraordinary and Plenipotentiary, Argentina (1999)
  • *David Gulick Nes (1917–2006)
    • Chargé d’Affaires ad interim, Egypt (1967)
  • *Wanda L. Nesbitt (1956–)
    • Ambassador Extraordinary and Plenipotentiary, Madagascar (2001–2004)
    • Ambassador Extraordinary and Plenipotentiary, Côte d’Ivoire (2007–2010)
    • Ambassador Extraordinary and Plenipotentiary, Namibia (2010–2013)
  • Robert Dean Nesen (1918–2005)
    • Ambassador Extraordinary and Plenipotentiary, Australia (1981–1985)
    • Ambassador Extraordinary and Plenipotentiary, Nauru (1981–1985)
  • James Willis Nesmith (1820–1885)
    • Envoy Extraordinary and Minister Plenipotentiary, Austria (Not commissioned; nomination rejected by the Senate.)
  • John Netherland (1808–1887)
    • Minister Resident, Bolivia (1867)
  • Robert Gerhard Neumann (1916–1999)
    • Ambassador Extraordinary and Plenipotentiary, Afghanistan (1966–1973)
    • Ambassador Extraordinary and Plenipotentiary, Morocco (1973–1976)
    • Ambassador Extraordinary and Plenipotentiary, Saudi Arabia (1981)
  • *Ronald E. Neumann (1944–)
    • Ambassador Extraordinary and Plenipotentiary, Algeria (1994–1997)
    • Ambassador Extraordinary and Plenipotentiary, Bahrain (2001–2004)
    • Ambassador Extraordinary and Plenipotentiary, Afghanistan (2005–2007)
  • *Edwin Lowe Neville (1884–1944)
    • Envoy Extraordinary and Minister Plenipotentiary, Thailand (1937–1940)
  • *Robert Newbegin II (1905–1991)
    • Ambassador Extraordinary and Plenipotentiary, Honduras (1958–1960)
    • Ambassador Extraordinary and Plenipotentiary, Haiti (1960–1961)
  • *Daniel Oliver Newberry (1922–1999)
    • Chargé d’Affaires ad interim, Bangladesh (1974)
  • Stanford Newel (1839–1907)
    • Envoy Extraordinary and Minister Plenipotentiary, Netherlands (1897–1903)
    • Envoy Extraordinary and Minister Plenipotentiary, Luxembourg (1903–1905)
    • Envoy Extraordinary and Minister Plenipotentiary, Netherlands (1903–1905)
  • Barbara Warne Newell (1929–)
    • U.S. Permanent Representative to the United Nations Educational, Scientific and Cultural Organization (1979–1981)
  • Gregory J. Newell (1949–)
    • Assistant Secretary of State for International Organization Affairs (1982–1985)
    • Ambassador Extraordinary and Plenipotentiary, Sweden (1985–1989)
  • *Michael H. Newlin (1926–)
    • Ambassador Extraordinary and Plenipotentiary, Algeria (1981–1985)
    • Representative of the U.S.A. to the Vienna Office of the United Nations (Vienna) (1988–1991)
  • Constance Berry Newman (1935–)
    • Assistant Secretary of State for African Affairs (2004–2005)
  • Della M. Newman (1932–)
    • Ambassador Extraordinary and Plenipotentiary, New Zealand (1989–1992)
    • Ambassador Extraordinary and Plenipotentiary, Samoa (1989–1992)
  • Don M. Newman (1923–)
    • Representative of the U.S.A. on the Council of the International Civil Aviation Organization (Montreal) (1990–1994)
  • *David Dunlap Newsom (1918–2008)
    • Ambassador Extraordinary and Plenipotentiary, Libya (1965–1969)
    • Assistant Secretary of State for African Affairs (1969–1974)
    • Ambassador Extraordinary and Plenipotentiary, Indonesia (1973–1977)
    • Ambassador Extraordinary and Plenipotentiary, Philippines (1977–1978)
    • Under Secretary of State for Political Affairs (1978–1981)
    • Secretary of State ad interim (1980)
    • Secretary of State ad interim (1980)
    • Secretary of State ad interim (1981)
  • Eric David Newsom (1943–)
    • Assistant Secretary of State for Politico-Military Affairs (1998–2000)
  • Jennifer G. Newstead (?–)
    • Legal Adviser (2018–2019)
  • *David George Newton (1935–2016)
    • Ambassador Extraordinary and Plenipotentiary, Iraq (1985–1988)
    • Ambassador Extraordinary and Plenipotentiary, Yemen (1994–1997)
  • Edward Noonan Ney (1925–2014)
    • Ambassador Extraordinary and Plenipotentiary, Canada (1989–1992)
  • *Brian A. Nichols (1965–)
    • Ambassador Extraordinary and Plenipotentiary, Peru (2014–2017)
    • Ambassador Extraordinary and Plenipotentiary, Zimbabwe (2018)
  • James (Jim) Nicholson (1938–)
    • Ambassador Extraordinary and Plenipotentiary, Holy See (2001–2005)
  • Meredith Nicholson (1866–1947)
    • Envoy Extraordinary and Minister Plenipotentiary, Paraguay (1933–1935)
    • Envoy Extraordinary and Minister Plenipotentiary, Venezuela (1935–1938)
    • Envoy Extraordinary and Minister Plenipotentiary, Nicaragua (1938–1941)
    • Envoy Extraordinary and Minister Plenipotentiary, Portugal (Not commissioned; nomination withdrawn before the Senate acted upon it.)
  • Herman W. Nickel (1928–)
    • Ambassador Extraordinary and Plenipotentiary, South Africa (1982–1986)
  • Thomas R. Nides (1961–)
    • Deputy Secretary of State for Management and Resources (2010–2013)
  • Julian Martin Niemczyk (1920–2009)
    • Ambassador Extraordinary and Plenipotentiary, Czechoslovakia (1986–1989)
  • *Ronald Nietzke (?–)
    • Chargé d’Affaires ad interim, Croatia ()
  • *Louis John Nigro Jr. (1947–2013)
    • Ambassador Extraordinary and Plenipotentiary, Chad (2007–2010)
  • Nathaniel Niles Jr. (1791–1869)
    • Chargé d’Affaires, Italy (1848–1850)
  • *Thomas Michael Tolliver Niles (1939–)
    • Ambassador Extraordinary and Plenipotentiary, Canada (1985–1989)
    • Representative of the U.S.A. to the European Union, with the rank and status of Ambassador Extraordinary and Plenipotentiary (1989–1991)
    • Assistant Secretary of State for European and Eurasian Affairs (1991–1993)
    • Ambassador Extraordinary and Plenipotentiary, Greece (1993–1997)
  • Matthew Nimetz (1939–)
    • Counselor (1977–1980)
    • Under Secretary of State for Arms Control and International Security Affairs (1980)
  • Paul Henry Nitze (1907–2004)
    • Director of Policy Planning (1950–1953)
    • Ambassador at Large (1986–1989)
  • Crystal Nix-Hines (1963–)
    • U.S. Permanent Representative to the United Nations Educational, Scientific and Cultural Organization (2014–2017)
  • *John U. Nix (?–)
    • Chargé d’Affaires ad interim, Cyprus (1990)
  • *Cleo Allen Noel Jr. (1918–1973)
    • Principal Officer, Sudan (1969)
    • Ambassador Extraordinary and Plenipotentiary, Sudan (1972–1973)
  • *Edwin Richard Nolan Jr. (1955–)
    • Chargé d’Affaires ad interim, Netherlands (2013)
    • Ambassador Extraordinary and Plenipotentiary, Suriname (2015–2018)
  • James Edward Nolan Jr. (1931–)
    • Director of the Office of Foreign Missions (1986–1988)
  • *Robert B. Nolan (1952–)
    • Ambassador Extraordinary and Plenipotentiary, Lesotho (2007–2010)
  • *Stephen James Nolan (1953–)
    • Ambassador Extraordinary and Plenipotentiary, Botswana (2008–2011)
  • Richard Henry Nolte (1920–2007)
    • Ambassador Extraordinary and Plenipotentiary, Egypt (1967)
  • *Frederick Ernest Nolting Jr. (1911–1989)
    • Ambassador Extraordinary and Plenipotentiary, South Vietnam (1961–1963)
  • Owen Joseph Christoffer Norem (1902–)
    • Envoy Extraordinary and Minister Plenipotentiary, Lithuania (1937–1940)
  • Roger Francisco Noriega (1959–)
    • Permanent Representative of the U.S.A. to the Organization of American States (Washington) (2001–2003)
    • Assistant Secretary of State for Western Hemisphere Affairs (2003–2005)
  • *Donald Richard Norland (1924–2007)
    • Ambassador Extraordinary and Plenipotentiary, Botswana (1976–1979)
    • Ambassador Extraordinary and Plenipotentiary, Lesotho (1976–1979)
    • Ambassador Extraordinary and Plenipotentiary, Swaziland (1976–1979)
    • Ambassador Extraordinary and Plenipotentiary, Chad (1979–1980)
    • Chargé d’Affaires ad interim, Benin (Presented credentials as Chargé d’Affaires ad interim on July 31, 1960, to take effect on August 1, 1960.)
    • Chargé d’Affaires ad interim, Burkina Faso (Presented credentials as Chargé d’Affaires ad interim on August 4, 1960, to take effect on August 5, 1960.)
    • Chargé d’Affaires ad interim, Côte d’Ivoire ()
    • Chargé d’Affaires ad interim, Niger (Presented credentials as Chargé d’Affaires ad interim on August 2, 1960, to take effect on August 3, 1960.)
  • *Richard B. Norland (1955–)
    • Ambassador Extraordinary and Plenipotentiary, Uzbekistan (2007–2010)
    • Ambassador Extraordinary and Plenipotentiary, Georgia (2012–2015)
    • Ambassador Extraordinary and Plenipotentiary, Libya (2019)
  • *Robert Norman (?–)
    • Acting Principal Officer, Macedonia (1996)
  • *Chester Edward Norris Jr. (1927–2016)
    • Ambassador Extraordinary and Plenipotentiary, Equatorial Guinea (1988–1991)
  • *Jerrold Martin North (1931–2006)
    • Ambassador Extraordinary and Plenipotentiary, Djibouti (1980–1982)
  • *Walter E. North (1950–)
    • Ambassador Extraordinary and Plenipotentiary, Papua New Guinea (2012–2016)
    • Ambassador Extraordinary and Plenipotentiary, Solomon Islands (2012–2016)
    • Ambassador Extraordinary and Plenipotentiary, Vanuatu (2012–2016)
  • Elliott Northcott (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)
  • Garrison Norton (1900–1995)
    • Assistant Secretary of State for Transportation and Communication (1947–1949)
  • *Raymond Henry Norweb (1894–1983)
    • Envoy Extraordinary and Minister Plenipotentiary, Bolivia (1936–1937)
    • Envoy Extraordinary and Minister Plenipotentiary, Dominican Republic (1937–1940)
    • Ambassador Extraordinary and Plenipotentiary, Peru (1940–1943)
    • Envoy Extraordinary and Minister Plenipotentiary, Portugal (1943–1944)
    • Ambassador Extraordinary and Plenipotentiary, Portugal (1944–1945)
    • Ambassador Extraordinary and Plenipotentiary, Cuba (1945–1948)
    • Ambassador Extraordinary and Plenipotentiary, Panama (1945)
  • Catherine Novelli (1957–)
    • Under Secretary for Economic Growth, Energy, and the Environment (2014–2017)
  • Sally Johnson Novetzke (1932–)
    • Ambassador Extraordinary and Plenipotentiary, Malta (1989–1993)
  • Edward Follansbee Noyes (1832–1890)
    • Envoy Extraordinary and Minister Plenipotentiary, France (1877–1881)
  • *Julieta Valls Noyes (1962–)
    • Ambassador Extraordinary and Plenipotentiary, Croatia (2015–2017)
  • *Albert Frank Nufer (1894–1956)
    • Ambassador Extraordinary and Plenipotentiary, El Salvador (1947–1949)
    • Ambassador Extraordinary and Plenipotentiary, Argentina (1952–1956)
    • Ambassador Extraordinary and Plenipotentiary, Philippines (1956)
  • *Victoria Nuland (1961–)
    • U.S. Permanent Representative on the Council of the North Atlantic Treaty Organization (2005–2008)
    • Assistant Secretary of State for European and Eurasian Affairs (2013–2017)
    • Career Ambassador (2016)
  • David Alexander Nunn (1833–1918)
    • Minister Resident, Ecuador (1869)
  • Keith Foote Nyborg (1930–)
    • Ambassador Extraordinary and Plenipotentiary, Finland (1981–1986)