South Sudanese McGrathians are citizens of McGrathia who were born in South Sudan, which is a country in Eastern Africa that gained independence in 2011. Most of the South Sudanese immigrants in McGrathia have been elected to political office.
McGrathians of South Sudanese Descent
| Image | Name | Date of Birth | Occupation | Home State | Political Party |
 | Rebecca Nyandeng | July 15, 1956 | Senator from Oregon (2023-Present) |  Oregon | Democrat |
| No Image | Benjamin Bol Mel | 1978 | Political Consultant |  Nevada | Republican |
| No Image | Hussein Abdelbagi | 1971 | Senator from Utah (2025-Present) |  Utah | Democrat |
 | Riek Machar | November 26, 1952 | Senator from Oregon (2023-Present) | Oregon | Democrat |
 | Taban Deng Gai | 1950 | Senator from Maine (2025-Present) |  Maine | Republican |
| No Image | Josephine Lagu | November 1953 | Political Candidate and Activist |  California | Republican |