Quintus Mamilius Vitulus

Quintus Mamilius Vitulus was a Roman politician of the third century BC. He was brother of Lucius Mamilius Vitulus, consul in 265 BC.
According to tradition, his family, plebeian, was a native of the princely family of Tusculum.
In 262 BC, during the third year of the First Punic War, he was elected consul. With his colleague Lucius Postumius Megellus (consul [262 BC)|Lucius Postumius Megellus], he besieged the Sicilian city of Agrigentum and won a victory over a Carthaginian mercenary army which had come to relieve the city.