The Grand Inquisitor is a parable told by Ivan to Alyosha in Fyodor Dostoevsky's novel, The Brothers Karamazov. Ivan and Alyosha are brothers; Ivan is a committed atheist and Alyosha is a novice monk. The Grand Inquisitor is an important part of the novel and one of the best-known passages in modern literature because of its ideas about human nature and freedom, and because of its fundamental ambiguity.

Fyodor Mikhailovich Dostoyevsky sometimes transliterated Dostoevsky, was a Russian novelist, short story writer, essayist, journalist and philosopher. Dostoyevsky's literary works explore human psychology in the troubled political, social, and spiritual atmosphere of 19th-century Russia, and engage with a variety of philosophical and religious themes.