Balbillus or Balbilus is a name that may refer to one of several people who lived in Ancient Rome: Gaius Balbillus, , prefect of Roman Egypt Tiberius Claudius Balbilus, , astrologer to several Roman emperors, possibly identical with the above Julia Balbilla, , granddaughter of Tiberius Claudius Balbilus, member of the royal family of the Kingdom of Commagene Titus Julius Balbillus, , aristocrat of Roman Syria Tiberius Julius Balbillus, , a relation of the previous, and also an aristocrat of Roman Syria