Diana Armfield RA (born 11 June 1920) is a British artist. She is known for landscapes, and has also painted portraits, literary subjects and still lifes. She has a particular interest in flower paintings, and is considered to owe much to the Sickert tradition. She studied at the Slade School of Fine Art and the Central School of Arts and Crafts. Armfield was elected as a Royal Academician in 1991.