"Polyeucte" is a five-act tragedy written by the French playwright Pierre Corneille in 1641. The play is based on the life of Saint Polyeuctus, a Christian martyr, and explores themes of faith, sacrifice, and love. It tells the story of Polyeucte, who converts to Christianity and faces persecution for his beliefs, ultimately leading to his martyrdom. The play is notable for its dramatic structure and character development, showcasing the internal conflict between personal conviction and societal pressure. "Polyeucte" is considered a significant work in the French classical theatre tradition and has influenced many subsequent playwrights and works.