Lydia R. Diamond (b. Detroit, Michigan, April 14, 1969) is an American playwright. Her plays include Here I Am...See Can You Handle It, The Inside adapted from the poems of Nikki Giovanni, Stage Black, The Gift Horse, Stick Fly, Voyeurs de Venus, The Bluest Eye, an adaptation from Toni Morrison's novel and Harriet Jacobs' Incidents in the Life of a Slave Girl (work-in-progress). Her play Stick Fly will be produced on Broadway at the Cort Theatre on November 18, 2011. The producers include musician Alicia Keys, filmmaker Rueben Cannon and legendary Broadway producer Nelle Nugent.
She holds a B.A. in Theatre and Performance Studies from Northwestern University and has taught at Loyola University, Columbia College, Boston University and with Chicago Dramatists Outreach Program.
Recently Voyeurs de Venus won a Joseph Jefferson Award for Best New Work.