Samm-Art Williams (born Samuel Arthur Williams; January 20, 1946) is an American playwright and screenwriter, and a stage and film/TV actor and television producer. Much of his work concerns the African-American experience.

He was nominated for a Tony Award and a Drama Desk Award for his play Home (1979), which moved from the Negro Ensemble Company to a Broadway production in 1980. In the mid-1980s, he received two Emmy nominations for his work for TV series. The Black Rep of St. Louis, Missouri produced the premier of his play The Montford Point Marine (2011).