Time Out of Joint is a dystopian novel by American writer Philip K. Dick, first published in novel form in the United States in 1959. An abridged version was also serialised in the British science fiction magazine New Worlds Science Fiction in several installments from December 1959 to February 1960.

Philip Kindred Dick, often referred to by his initials PKD, was an American science fiction writer and novelist. He wrote 44 novels and about 121 short stories, most of which appeared in science fiction magazines during his lifetime. His fiction explored varied philosophical and social questions such as the nature of reality, perception, human nature, and identity, and commonly featured characters struggling against elements such as alternate realities, illusory environments, monopolistic corporations, drug abuse, authoritarian governments, and altered states of consciousness. He is considered one of the most important figures in 20th century science fiction.