The Dog and the Sheep is one of Aesop’s Fables and is numbered 478 in the Perry Index. Originally its subject was the consequence of bearing false witness. However, longer treatments of the story during the Middle Ages change the focus to deal with perversions of justice by the powerful at the expense of the poor. It has sometimes been alternatively titled The Wolf, the Dog and the Sheep in order to distinguish it from the fable of the dispute between the sheep and the dog that guards them (Perry 356).