Juan de Torquemada (c. 1562 – 1624) was a Franciscan friar, missionary and historian in Spanish colonial Mexico, and is considered the "leading Franciscan chronicler of his generation." He is most famous for his monumental history of the indigenous peoples entitled Los veinte y un libros rituales y Monarquía indiana, commonly known as Monarquía indiana ("Indian Monarchy"), published initially in Spain in 1615 with a license obtained by Torquemada. Monarquia Indiana was the "prime text of Mexican history, and was destined to influence all subsequent chronicles until the twentieth century." The fact that it was republished a century later in 1723, in what has been considered the standard edition, is an indication of its importance. It was used by later historians, the Franciscan Augustin de Vetancurt and most importantly by eighteenth-century Jesuit Francisco Javier Clavijero.
Juan de Torquemada was born at Torquemada, Palencia, sometime between 1557 and 1565, with few firm data on his life, with much coming from his own work. He arrived in New Spain as a child and grew up in Mexico City. He studied philosophy and Nahuatl at the convent Grande de San Francisco in Mexico City, studying under Fray Juan Bautista and Antonio de Valeriano, an indigenous graduate of the colegio who taught him Nahuatl. He was ordained sometime between 1579 and 1583. In 1582 he moved to the convent of Santiago Tlatelolco, and he was made guardian of that convent in 1600. He also took over the administration of the Colegio de Santa Cruz de Tlatelolco.