| Afghanistan | John R. Bass | Career | 
| Nomination returned to the White House on 1/3/21 |  | 
| African Union | Jessica Lapenn | Career | 
| Albania | Yuri Kim | Career | 
| Algeria | John Desrocher | Career | 
| Angola | Nina Maria Fite | Career | 
| Argentina | Edward C. Prado | Political | 
| Armenia | Lynne M. Tracy | Career | 
| ASEAN | Nomination returned to the White House on 1/3/21 |  | 
| Australia | Arthur B. Culvahouse, Jr. | Political | 
| Austria | Trevor Traina | Political | 
| Azerbaijan | Earle D. Litzenberger | Career | 
| Bahamas | William A. Douglass | Political | 
| Bahrain | Justin Hicks Siberell | Career | 
| Bangladesh | Earl Robert Miller | Career | 
| Barbados (Antigua and Barbuda, Dominica, Grenada, St. Kitts and Nevis, St. Lucia, St. Vincent and the Grenadines) | Nominated returned to the White House on 1/3/20 |  | 
| Belarus | Julie D. Fisher | Career | 
| Belgium | Ronald Gidwitz | Political | 
| Belize | Nomination returned to the White House on 1/3/21 |  | 
| Benin | Patricia Mahoney | Career | 
| Bolivia | NO APPOINTMENTS |  | 
| Bosnia and Herzegovina | Eric George Nelson | Career | 
| Botswana | Craig Lewis Cloud | Career | 
| Brazil | Todd C. Chapman | Career | 
| Brunei Darussalam | Matthew John Matthews | Career | 
| Bulgaria | Herro Mustafa | Career | 
| Burkina Faso | Sandra E. Clark | Career | 
| Burma | Thomas Laszlo Vajda | Career | 
| Burundi | Melanie Harris Higgins | Career | 
| Cabo Verde | John Jefferson Daigle | Career | 
| Cambodia | W. Patrick Murphy | Career | 
| Cameroon | Peter Barlerin | Career | 
| Canada | Kelly Knight Craft | Political | 
| Nomination returned to the White House on 1/3/21 |  | 
| Central African Republic | Lucy Tamlyn | Career | 
| Chad | Nomination returned to the White House on 1/3/21 |  | 
| Chile | Nomination returned to the White House on 1/3/21 |  | 
| China | Terry Branstad | Political | 
| Colombia | Philip S. Goldberg | Career | 
| Congo (DR) | Michael A. Hammer | Career | 
| Congo (Republic of) | Todd Philip Haskell | Career | 
| Costa Rica | Sharon Day | Political | 
| Côte d'Ivoire | Richard K. Bell | Career | 
| Croatia | W. Robert Kohorst | Political | 
| Cuba | NO APPOINTMENTS |  | 
| Cyprus | Judith Garber | Career | 
| Czech Republic | Stephen B. King | Political | 
| Denmark | Carla Sands | Political | 
| Djibouti | Jonathan Pratt | Career | 
| Larry Andre | Career | 
| Dominican Republic | Robin Bernstein | Political | 
| Ecuador | Michael J. Fitzpatrick | Career | 
| Egypt | Jonathan R. Cohen | Career | 
| El Salvador | Ronald Douglas Johnson | Political | 
| Equatorial Guinea | Susan N. Stevenson | Career | 
| Eritrea | NO APPOINTMENTS |  | 
| Estonia | William Ellison Grayson | Political | 
| Eswatini (formerly Swaziland) | Jeanne Marie Maloney | Career | 
| Ethiopia | Michael Raynor | Career | 
| Geeta Pasi | Career | 
| European Union | Gordon Sondland | Political | 
| Fiji, Kiribati, Nauru, Tonga, & Tuvalu | Joseph Cella | Political | 
| Finland | Robert Frank Pence | Political | 
| France & Monaco | Jamie McCourt | Political | 
| Gabon and São Tomé & Principe | Joel Danies | Career | 
| The Gambia | Richard Carlton Paschall III | Career | 
| Georgia | Kelly C. Degnan | Career | 
| Germany | Richard Grenell | Political | 
| Douglas Macgregor | Political | 
| Ghana | Stephanie Sanders Sullivan | Career | 
| Greece | NO APPOINTMENTS |  | 
| Guatemala | Luis Arreaga | Career | 
| William W. Popp | Career | 
| Guinea | Simon Henshaw | Career | 
| Guyana | Sarah-Ann Lynch | Career | 
| Haiti | Michele Jeanne Sison | Career | 
| Holy See | Callista Gingrich | Political | 
| Honduras | Nomination returned to the White House on 1/3/19 |  | 
| Hungary | David B. Cornstein | Political | 
| ICAO | Thomas Carter | Political | 
| Iceland | Jeffrey Ross Gunter | Political | 
| India | Kenneth Juster | Political | 
| Indonesia | Sung Y. Kim | Career | 
| Iraq | Matthew Tueller | Career | 
| Ireland | Edward F. Crawford | Political | 
| Israel | David Friedman | Political | 
| Italy & San Marino | Lewis Eisenberg | Political | 
| Jamaica | Donald Ray Tapia | Political | 
| Japan | William Francis Hagerty IV | Political | 
| Nomination returned to the White House on 1/3/21 |  | 
| Jordan | Henry T. Wooster | Career | 
| Kazakhstan | William Moser | Career | 
| Kenya | Kyle McCarter | Political | 
| Kosovo | Philip Kosnett | Career | 
| Kuwait | Alina Romanowski | Civil Service | 
| Kyrgyz Republic | Donald Lu | Career | 
| Laos | Peter M. Haymond | Career | 
| Latvia | John Leslie Carwile | Career | 
| Lebanon | Dorothy Shea | Career | 
| Lesotho | Rebecca Eliza Gonzales | Career | 
| Liberia | Michael A. McCarthy | Career | 
| Libya | Richard Norland | Career | 
| Lithuania | Robert S. Gilchrist | Career | 
| Luxembourg | James Randolph Evans | Political | 
| Madagascar & Comoros | Michael Pelletier | Career | 
| Malawi | Robert K. Scott | Career | 
| Malaysia | Brian McFeeters | Career | 
| Mali | Dennis Hankins | Career | 
| Malta | Nominated returned to the White House on 1/3/20 |  | 
| Marshall Islands | Roxanne Cabral | Career | 
| Mauritania | Michael James Dodman | Career | 
| Cynthia Kierscht | Career | 
| Mauritius & Seychelles | David Reimer | Career | 
| Mexico | Christopher Landau | Political | 
| Micronesia | Carmen G. Cantor | Civil Service | 
| Moldova | Dereck J. Hogan | Career | 
| Mongolia | Michael Klecheski | Career | 
| Montenegro | Judy Rising Reinke | Career | 
| Morocco | David T. Fischer | Political | 
| Mozambique | Dennis Walter Hearne | Career | 
| Namibia | Lisa A. Johnson | Career | 
| NATO | Kay Bailey Hutchison | Political | 
| Nepal | Randy W. Berry | Career | 
| Netherlands | Peter Hoekstra | Political | 
| New Zealand & Samoa | Scott Brown | Political | 
| Nicaragua | Kevin K. Sullivan | Career | 
| Niger | Eric Whitaker | Career | 
| Nigeria | Mary Beth Leonard | Career | 
| North Macedonia | Kate Marie Byrnes | Career | 
| Norway | Nomination returned to the White House on 1/3/21 |  | 
| Kenneth J. Braithwaite | Political | 
| OAS | Carlos Trujillo | Political | 
| OECD | Nomination returned to the White House on 1/3/21 |  | 
| Oman | Leslie M. Tsou | Career | 
| OPCW | Joseph Manso | Career | 
| OSCE | James S. Gilmore | Political | 
| Pakistan | Nomination returned to the White House on 1/3/21 |  | 
| Palau | John Hennessey-Niland | Career | 
| Panama | Nomination returned to the White House on 1/3/21 |  | 
| Papua New Guinea, Solomon Islands & Vanuatu | Erin Elizabeth McKee | Career | 
| Paraguay | M. Lee McClenny | Career | 
| Peru | Krishna Urs | Career | 
| Lisa S. Kenna | Career | 
| Philippines | NO APPOINTMENTS |  | 
| Poland | Georgette Mosbacher | Political | 
| Portugal | George E. Glass | Political | 
| Qatar | Nomination returned to the White House on 1/3/21 |  | 
| Romania | Adrian Zuckerman | Political | 
| Russia | Jon Huntsman, Jr. | Political | 
| John J. Sullivan | Political | 
| Rwanda | Peter Hendrick Vrooman | Career | 
| Saudi Arabia | John Abizaid | Political | 
| Senegal & Guinea-Bissau | Tulinabo Salama Mushingi | Career | 
| Serbia | Anthony F. Godfrey | Career | 
| Sierra Leone | Maria Brewer | Career | 
| David Reimer | Career | 
| Singapore | Nomination returned to the White House on 1/3/21 |  | 
| Slovakia | Bridget A. Brink | Career | 
| Slovenia | Lynda Blanchard | Political | 
| Somalia | Donald Yamamoto | Career | 
| South Africa | Lana J. Marks | Political | 
| South Korea | Harry B. Harris, Jr. | Political | 
| South Sudan | Thomas Hushek | Career | 
| Spain & Andorra | Richard Duke Buchan III | Political | 
| Sri Lanka & Maldives | Alaina Teplitz | Career | 
| Sudan | NO APPOINTMENTS |  | 
| Suriname | Karen L. Williams | Career | 
| Sweden | Kenneth Howery | Political | 
| Switzerland & Liechtenstein | Edward T. McMullen, Jr. | Political | 
| Syria | NO APPOINTMENTS |  | 
| Tajikistan | John Mark Pommersheim | Career | 
| Tanzania | Donald Wright | Civil Service | 
| Thailand | Michael George DeSombre | Political | 
| Timor-Leste | Kathleen M. Fitzpatrick | Career | 
| C. Kevin Blackstone | Career | 
| Togo | Eric William Stromayer | Career | 
| Trinidad and Tobago | Joseph Mondello | Political | 
| Tunisia | Donald Blome | Career | 
| Turkey | David M. Satterfield | Career | 
| Turkmenistan | Matthew S. Klimow | Civil Service | 
| Uganda | Natalie E. Brown | Career | 
| Ukraine | Nomination returned to the White House on 1/3/21 |  | 
| United Arab Emirates | John Rakolta, Jr. | Political | 
| United Kingdom | Robert Wood Johnson IV | Political | 
| United Nations | Kelly Knight Craft | Political | 
| Nikki Haley | Political | 
| UN / Conf. on Disarmament | NO APPOINTMENTS |  | 
| UN / Deputy Representative | Jonathan R. Cohen | Career | 
| Richard Mills, Jr. | Career | 
| UN / Economic & Social Council | Nomination withdrawn on September 8, 2020 |  | 
| Kelley Eckels Currie | Political | 
| UN / Geneva | Andrew Bremberg | Political | 
| UN / Human Rights Council | NO APPOINTMENTS |  | 
| UN / Management & Reform | Cherith Norman Chalet | Civil Service | 
| UN / Political Affairs | Nomination returned to the White House on 1/3/21 |  | 
| UN / Rome | Kip Tom | Political | 
| UN / Vienna (IAEA) | Jackie Wolcott | Political | 
| UNESCO | NO APPOINTMENTS |  | 
| Uruguay | Kenneth George | Political | 
| Uzbekistan | Daniel Rosenblum | Civil Service | 
| Venezuela | James Broward Story | Career | 
| Vietnam | Daniel J. Kritenbrink | Career | 
| Yemen | Christopher Paul Henzel | Career | 
| Zambia | Daniel L. Foote | Career | 
| Zimbabwe | Brian Nichols | Career |