Sudanese nomadic conflicts are non-state conflicts between rival nomadic tribes taking place in the territory of Sudan and, since 2011, South Sudan. Conflict between nomadic tribes in Sudan is common, with fights breaking out over scarce resources, including grazing land, cattle and drinking water. Some of the tribes involved in these clashes have been the Messiria, Maalia, Rizeigat and Bani Hussein Arabic tribes inhabiting Darfur and West Kordofan, and the Dinka, Nuer and Murle African ethnic groups inhabiting South Sudan. Conflicts have been fueled by other major wars taking place in the same regions, in particular the Second sudanese civil war, the War in Darfur and the Sudanese conflict in South Kordofan and Blue Nile.
Over the years, clashes between rival ethnic militias have resulted in a large number of casualties and displaced hundreds of thousands of people. In recent years, particularly violent clashes broke out in 1993 between Jikany Nuer and Lou Nuer in Upper Nile, in 2009-2012 between Lou Nuer and Murle in Jonglei and in 2013-2014 between Maalia, Rizeigat, Bani Hussein, Salamat and Messiria in Darfur and West Kordofan.