Islam in South Sudan

South Sudan is a Christian majority country, with Islam being a minority faith practiced by around 20% of the total population as of 2023. Most Muslims in South Sudan welcomed secession in the South Sudanese independence referendum.

The last census to mention the religion of southerners dates back to 1956 where a majority were classified as following traditional beliefs or were Christian, while 18% were Muslim. The most recent Pew Research Center report on Religion and Public Life estimated that in 2020, there were 2,420,000 Muslims in South Sudan, comprising 20% of the country's population.