Dark Matter is an anthology series of science fiction, fantasy, and horror stories and essays produced by people of African descent. The editor of the series is Sheree Thomas. The first book in the series, Dark Matter: A Century of Speculative Fiction from the African Diaspora (2000), won the 2001 World Fantasy Award for Best Anthology. The second book in the Dark Matter series, Dark Matter: Reading the Bones (2004), won the World Fantasy Award for Best Anthology in 2005. A forthcoming third book in the series is tentatively named Dark Matter: Africa Rising. This was finally published at the end of 2022 under the title Africa Risen: A New Era of Speculative Fiction, from Tor Books.

Sheree Renée Thomas is an American writer, book editor and publisher. In 2020, Thomas was named editor of The Magazine of Fantasy & Science Fiction.