The Mars trilogy is a series of science fiction novels by Kim Stanley Robinson that chronicles the settlement and terraforming of the planet Mars through the personal and detailed viewpoints of a wide variety of characters spanning almost two centuries. Ultimately more utopian than dystopian, the story focuses on egalitarian, sociological, and scientific advances made on Mars, while Earth suffers from overpopulation and ecological disaster.

Kim Stanley Robinson is an American writer of science fiction. He has published 22 novels and numerous short stories and is best known for his Mars trilogy. His work has been translated into 24 languages. Many of his novels and stories have ecological, cultural, and political themes and feature scientists as heroes. Robinson has won numerous awards, including the Hugo Award for Best Novel, the Nebula Award for Best Novel and the World Fantasy Award. The Atlantic has called Robinson's work "the gold standard of realistic, and highly literary, science-fiction writing." According to an article in The New Yorker, Robinson is "generally acknowledged as one of the greatest living science-fiction writers."