| Flag | Date | Use | Description |
| Current |
 | 1945–present | Flag of the National Umma Party | |
 | 1946–present | Flag of the Sudanese Communist Party | A red field with white Arabic script reading "Sudanese Communist Party".[5] |
 | 1952–present | Flag of the Democratic Unionist Party | A horizontal tricolour of blue, yellow, and green; identical to the first flag of independent Sudan used between 1956 and 1970. |
 | 1957–present | Flag of the Beja Congress | A horizontal tricolour of blue, yellow, and green with a vertical 1⁄4-width red bar at the hoist. |
 | Unknown–present | Flag of the Sudan Liberation Movement/Army al-Nur | Four horizontal bands of black, red, blue, and green with a white star in the center. |
 |
Unknown–present |
Flag of the Sudan Liberation Movement/Army Tumbour |
|
 |
Unknown–present |
Flag of the Sudan Liberation Movement/Army Minnawi |
|
 | 2011–present | Flag of the Sudan People's Liberation Movement-North | A horizontal tricolour of black, red, and blue, fimbriated with white stripes; with a green equilateral triangle based on the hoist side bearing a gold five-pointed star within a red disc. |
| Former |
 | 1923–1924 | Flag of the White Flag League | A white field with the flag of the Kingdom of Egypt in the canton and an outline of the Nile River in blue along the fly side. |
 | 1965–1970 | Flag of the Azania Liberation Front | |
 | 1971–1985 | Flag of the Sudanese Socialist Union | A white field with the logo of the party in the center. |
 | 2011–2023 | Flag of the Sudan Revolutionary Front | A horizontal tricolour of black, red, and green; charged with a blue five-pointed star within a yellow disc at the center. |
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