Ronald Bartlett Levinson (October 18, 1896 – November 21, 1980) was an American philosopher who focused in his work on Plato.
He was born October 18, 1896, in Chicago, Illinois, and died November 21, 1980, in Bangor, Maine.
Levinson focused in his works on Plato and the history of Platonism. He gained international awareness by his book In Defense of Plato (1953) in which he defended Plato against Karl Popper's sharp criticism, who considered Plato to be the forerunner of totalitarianism.
Levinson was a member of the American Philosophical Association and of the Society of Ancient Philosophy.