Mary Overlie (January 15, 1946 – June 5, 2020) was an American choreographer, dancer, theater artist, professor and author. She was a creator of the Six Viewpoints technique for theater and dance. She was born in Havre, Montana. Overlie was the co-founder of the art institutions such as Danspace Project, the Studies Project, Movement Research, and the Experimental Theater Wing at New York University.