Elizabeth A. T. Smith (born 1958) is an American art historian, museum curator, writer, and presently the executive director of the Helen Frankenthaler Foundation. She has formerly held positions as a curator at the Los Angeles Museum of Contemporary Art (MoCA), the chief curator and deputy director of programs at the Museum of Contemporary Art, Chicago, and the executive director, curatorial affairs, at the Art Gallery of Ontario. She is the author of numerous books on art and architecture, including Blueprints for Modern Living: History and Legacy of the Case Study Houses; Lee Bontecou: A Retrospective, Helen Frankenthaler: Composing with Color, 1962–63, and many others.