The Age of Louis XIV is a historical work by the French historian, philosopher, and writer Voltaire, first published in 1751. Through it, the French 17th century became identified with Louis XIV of France, who reigned from 1643 to 1715.

François-Marie Arouet, known by his nom de plume M. de Voltaire, was a French Enlightenment writer, philosopher (philosophe), satirist, and historian. Famous for his wit and his criticism of Christianity and of slavery, Voltaire was an advocate of freedom of speech, freedom of religion, and separation of church and state.