Lynn Fontanne (; 6 December 1887 – 30 July 1983) was a British-born American-based actress for over 40 years. She teamed with her husband, Alfred Lunt. Lunt and Fontanne were given special Tony Awards in 1970. They both won Emmy Awards in 1965, and Broadway's Lunt-Fontanne Theatre was named for them. Fontanne is regarded as one of the American theater's great leading ladies of the 20th century.