The Fairy Lady is a play written by Pedro Calderón de la Barca, a Spanish Baroque playwright and poet. The play was first performed in 1629, and it is considered one of his most important works. The play is a romantic comedy that centers around the character of Leonor, a noblewoman who is disguised as a fairy lady in order to escape the unwanted attentions of a powerful suitor. The play explores themes of love, deception, and the nature of reality. It is known for its witty and poetic dialogue, and its exploration of the tension between the social conventions of the time and the desires of the individual.