Yevgeny Ivanovich Zamyatin, sometimes anglicized as Eugene Zamyatin, was a Russian author of science fiction, philosophy, literary criticism, and political satire.

Science fiction is a genre of speculative fiction, which typically deals with imaginative and futuristic concepts such as advanced science and technology, space exploration, time travel, parallel universes, and extraterrestrial life. It is related to fantasy, horror, and superhero fiction and contains many subgenres. Its exact definition has long been disputed among authors, critics, scholars, and readers.