Dialogus (Latin for dialogue) can refer to: Dialogus de oratoribus (c. 100 AD), treatise on rhetoric attributed to Tacitus Dialogus de musica (c. 11th c.), music treatise formerly attributed to Odo of Arezzo Dialogus de Scaccario (12th c.), treatise on the English Exchequer Dialogus super auctores (c. 1130), an introduction to the classics by Conrad of Hirsau Dialogus creaturarum (c. 1480), collection of Latin fables