Black supremacy or black supremacism is a racial supremacist belief that black people are superior to people of other races. The term has been used by the Southern Poverty Law Center (SPLC), an American legal advocacy organisation, to describe several fringe religious groups in the United States.
Several fringe groups have been described as either holding or promoting black supremacist beliefs. A source described by historian David Mark Chalmers as being "the most extensive source on right-wing extremism" is the Southern Poverty Law Center (SPLC), an American nonprofit organization that monitors all kinds of hate groups and extremists in the United States.  Authors of the SPLC"s quarterly Intelligence Reports described the following groups as holding black supremacist views:
The Israelite Church of God in Jesus Christ (ICGJC), which is headquartered in New York City, was described in 2008 by the SPLC as an American "black supremacist sect" and part of the growing "black supremacist wing of the Hebrew Israelite movement". The ICGJC accepts the Old and New Testaments and the Apocrypha as inspired Scripture and has an apocalyptic view of the end of the world.
The Nation of Yahweh is a religious group based in the United States described as black supremacist by the SPLC. It is an offshoot of the Black Hebrew Israelite line of thought. It was founded by American Yahweh ben Yahweh (born Hulon Mitchell Jr.), whose name means "God the Son of God" in Hebrew. The Nation of Yahweh grew rapidly throughout the 1980s and at its height had headquarters in Miami, Florida, and temples in 22 states.
The United Nuwaubian Nation of Moors was founded by the American Dwight York, who has been described by the SPLC as advocating the belief that black people are superior to white people. The SPLC reported that York"s teachings included the belief that "whites are "devils", devoid of both heart and soul, their color the result of leprosy and genetic inferiority". The SPLC described the Nuwaubianism belief system as