Julius (fem. Julia) is the nomen of the gens Julia, an important family of ancient Rome supposed to have descended from Julus.

It is also seen as Iulius and Iulia.

See also: Julio-Claudian dynasty - Julia Caesaris

• Gaius Julius Caesar, the dictator
• Gaius Julius Caesar, the others
• Gaius Julius Caesar Octavianus Augustus (by adoption)
• Julia Augusta (by adoption)
• Tiberius Julius Caesar (by adoption)
• Germanicus Julius Caesar (by adoption)
• Julia Caesaris, several women related to Julius and Augustus Caesar
• Gaius Julius Eurycles
• Julius Atticus
• Julius Graecinus
• Gaius Julius Caesar Germanicus Caligula
• Julius Caesar Nero, son of Germanicus and Agrippina
• Gaius Julius Vindex, governor of Lustiania
• Gaius Julius Callistus
• Gaius Julius Classicianus Alpinus
• Gaius Julius Hyginus
• Sextus Julius Frontinus
• Julius Sacrovir, noble of Aedui
• Gaius Julius Civilis
• Gnaeus Julius Agricola, governor of Britannia
• Sextus Julius Africanus
• Gaius Julius Antiochus Epiphanes Philopappus, consul and Syrian prince
• Julia Domna, wife of Emperor Septimius Severus
• Marcus Julius Verus Philippus, emperor
• Gaius Julius Verus Maximinus, emperor
• Julius Paulus, jurist
• Gaius Julius Solinus, grammarian 3rd century
• Iulius Exsuperantius, historian 4th century
• Iulius Obsequens

The name lives on as a personal name.

• Pope Julius I
• Pope Julius II
• Pope Julius III

Pope Julius is a card game.