Southern Sudan may refer to:
the southern regions of the present-day Republic of Sudan in North Africa South Sudan (est. 2011), the independent republic in East Africa Southern Sudan Autonomous Region (1972–1983), part of the Republic of Sudan, that latterly mostly became the Republic of South Sudan Southern Sudan Autonomous Region (2005–2011), part of the Republic of Sudan, that latterly mostly became the Republic of South Sudan
See also
Sudan (disambiguation)