Moralium dogma philosophorum ("Teaching of the philosophers on moral questions") is a Latin work of the 12th century. Its authorship is uncertain: it has been attributed to William of Conches

William of Conches

William of Conches was a French scholastic philosopher who sought to expand the bounds of Christian humanism by studying secular works of the classics and fostering empirical science. He was a prominent member of the School of Chartres...

, to Walter of Châtillon

Walter of Chatillon

Walter of Châtillon was a 12th-century French writer and theologian who wrote in the Latin language. He studied under Stephen of Beauvais and at the University of Paris. It was probably during his student years that he wrote a number of Latin poems in the Goliardic manner that found their way...

 and (less likely) to Alan of Lille. Parallels exist between this work, the anonymous Ysagoge in theologiam (written between 1141 and 1157), and the text De virtutibus et vitiis by Alan of Lille (written between 1155 and 1165).