Republic of Sudan represented by Ambassadors in Washington DC
| Diplomatic accreditation | Ambassador | List of Prime Ministers of Sudan and President of Sudan | List of Presidents of the United States |
| 1956 | Ibrahim Anis |
Ismail al-Azhari ( served as PM from 1954-56 and President in 1965) |
Dwight D. Eisenhower |
| 1959 | Osman El Hadari |
Ibrahim Abbud (served as President) |
Dwight D. Eisenhower |
| 1965 | Khalifa Abbas el Abeid |
Muhammad Ahmad Mahgoub President Ismail al-Azhari |
Lyndon B. Johnson |
| 1966 | Amin Ahmad Hussein |
Sadiq al-Mahdi President Ismail al-Azhari |
Lyndon B. Johnson |
| 1972 | Abdel Aziz al-Nasri Hamza |
Gaafar Nimeiry ( served as PM and President) |
Richard Nixon |
| 1974 | Omer Yousif Birido |
Gaafar Nimeiry ( served as PM and President) |
Gerald Ford |
| 1975 | Francis Deng |
Gaafar Nimeiry ( served as PM and President) |
Gerald Ford |
| 1976 | Omer Salih Mohamed Eisa |
Gaafar Nimeiry ( served as PM and President) |
Gerald Ford |
| 1985 | Salah Ahmed Mohamed Salih |
Dr. Al-Jazuli Daf’allah President Abdel Rahman Suwar al-Dahab |
Ronald Reagan |
| 1988 | Hassan El Amin El Bashir |
Sadiq al-Mahdi President Ahmad Ali Al-Mirghani |
Ronald Reagan |
| 1990 | Abdalla Ahmed Abdalla |
President Omar Hassan Ahmad al-Bashir |
George H. W. Bush |
| 1993 | Ahmed Suliman | President Omar Hassan Ahmad al-Bashir | Bill Clinton |
| 1996 | Mahdi Ibrahim Mohamed | President Omar Hassan Ahmad al-Bashir | Bill Clinton |
| 2001 | Khidir Haroun Ahmed (CDA) | President Omar Hassan Ahmad al-Bashir | George W. Bush |
| 2007 | John Ukec Lueth Ukec (CDA) | President Omar Hassan Ahmad al-Bashir | George W. Bush |
| 2009 | Akec Khoc Aciew Khoc (CDA) | President Omar Hassan Ahmad al-Bashir | Barack H. Obama |
| 2011 | Fathelrahman Ali (CDA) | President Omar Hassan Ahmad al-Bashir | Barack H. Obama |
| 2012 | DR. Emad Mirghani (CDA) | President Omar Hassan Ahmad al-Bashir | Barack H. Obama |
| 2014 | Maowia Osman Khalid (CDA) | President Omar Hassan Ahmad al-Bashir | Barack H. Obama |
| 2018 | Mohamed Atta Abbas (CDA) |
President Omar Hassan Ahmad al-Bashir |
Donald J. Trump |
| 2020 | Nureldin Satti |
General Abdel Fattah al-Burhan(President of the Transitional Sovereign Council) |
Donald J. Trump |
| 2022 | Mohamed Abdalla Idris |
General Abdel Fattah al-Burhan(President of the Transitional Sovereign Council) |
Joseph Biden |
