Diana Trilling (née Rubin; July 21, 1905 – October 23, 1996) was an American literary critic and author, one of a group of left-wing writers known as the New York Intellectuals.

Born Diana Rubin, she married the literary and cultural critic Lionel Trilling in 1929 after an extended stay in Paris with childhood friend Margaret Lefranc.

Her parents, Sadie (née Forbert) and Joseph Rubin, were Polish Jews, her father from Warsaw and her mother from the local countryside.

In his 1986 essay collection The Moronic Inferno, Martin Amis discusses the experience of meeting Trilling and her impact on New York City:[4] In New York, Diana Trilling is regarded with the suspicious awe customarily reserved for the city's senior literary ladies.

Whenever I announced my intention of going along to interview her, people looked at me with trepidation, a new respect, a certain holy dread.