This is a list of the mammal species recorded in South Sudan. Of the mammal species in South Sudan, three are critically endangered, five are endangered, eleven are vulnerable, and nine are near threatened. One of the species listed for South Sudan can no longer be found in the wild. The following tags are used to highlight each species' conservation status as assessed by the International Union for Conservation of Nature: Some species were assessed using an earlier set of criteria. Species assessed using this system have the following instead of near threatened and least concern categories:
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