Diana Elizabeth Edelman Kleiner (September 18, 1947 – November 12, 2023) was an American art historian and educator.

Born in New York City to Morton Henry and Hilda Rachel Wyner Edelman, Kleiner received a Bachelor of Arts from Smith College in 1969.

Kleiner wrote a highly praised doctoral dissertation on Roman funerary art.

[3] In 2020, the Kleiners had the Saloni room at the American School of Classical Studies at Athens named in their honor.

[7] In 2024, the fitness room in Loring Hall was named by Fred Kleiner in tribute to his late wife.