Robert Sanford Brustein was an American theatrical critic, producer, playwright, writer, and educator. He founded the Yale Repertory Theatre while serving as dean of the Yale School of Drama in New Haven, Connecticut, as well as the American Repertory Theater and Institute for Advanced Theater Training at Harvard University in Cambridge, Massachusetts, where he was a creative consultant until his death, and was the theatre critic for The New Republic. He commented on politics for the HuffPost.

Yale Repertory Theatre at Yale University in New Haven, Connecticut was founded by Robert Brustein, dean of Yale School of Drama, in 1966, with the goal of facilitating a meaningful collaboration between theatre professionals and talented students. In the process it has become one of the first distinguished regional theatres. Located at the edge of Yale's main downtown campus, it occupies the former Calvary Baptist Church.