Aulus (/ˈaʊləs, ˈɔːləs/ OW-ləs, AW-ləs, Latin: [ˈau̯lʊs]) is a Latin praenomen, or personal name, which was common throughout Roman history from the earliest times to the end of the Western Empire in the fifth century. The feminine form is Aula. An alternative pronunciation leads to the variant spellings Olus or Ollus and Olla. Aulus was widely used by both patrician and plebeian gentes. The name gave rise to the patronymic gens Aulia, and perhaps also to gens Avilia and the cognomen Avitus. The name was usually abbreviated A., but occasionally Av. or Avl.