- Augustus Julius Caesar (born Gaius Octavius)
- Best known as Augustus. Nicknames include:
- Tiberius Julius Caesar (born Tiberius Claudius Nero)
- Best known as Tiberius. Nicknames include:
- Gaius Julius Caesar Germanicus
- Best known as Caligula. Other nicknames include:
- Tiberius Claudius Caesar Germanicus (born Tiberius Claudius Drusus Germanicus)
- Best known as Claudius. Nicknames include:
- Nero Claudius Caesar Germanicus (born Lucius Domitius Ahenobarbus)
- Best known as Nero. Nicknames include:
- Lucius Livius Ocella Sulpicius Galba (born Servius Sulpicius Galba)
- Best known as Galba. Nicknames include:
- Marcus Salvius Otho Nero Caesar (born Marcus Salvius Otho)
- Best known as Otho. Nicknames include:
- Aulus Vitellius Germanicus (born Aulus Vitellius)
- Titus Flavius Vespasianus
- Titus Flavius Vespasianus
- Best known as Titus. Nicknames include:
- Titus Flavius Domitianus
- Best known as Domitian. Nicknames include:
- Marcus Cocceius Nerva
- Best known as Nerva. Nicknames include:
- Marcus Ulpius Trajanus
- Best known as Trajan. Nicknames include:
- Publius Aelius Hadrianus
- Best known as Hadrian. Nicknames include:
- Titus Aelius Caesar Antoninus Pius (born Titus Aurelius Fulvus Boionius Antoninus)
- Marcus Aelius Aurelius Verus Caesar (born Marcus Annius Verus)
- Lucius Aurelius Verus (born Lucius Ceionius Commodus)
- Marcus Aurelius Commodus Antoninus (born Lucius Aelius Aurelius Commodus)
- Best known as Commodus. Nicknames include:
- Publius Helvius Pertinax
- Best known as Pertinax. Nicknames include:
- Marcus Didius Severus Julianus
- Lucius Septimius Severus Pertinax
- Marcus Aurelius Antoninus (born Lucius Septimius Bassianus)
- Best known as Caracalla. Other nicknames include:
- Publius Septimius Geta
- Best known as Geta. Nicknames include:
- Marcus Opellius Severus Macrinus Pius Felix (born Marcus Opellius Macrinus)
- Best known as Macrinus. Nicknames include:
- Marcus Opellius Antoninus Diadumenianus (born Marcus Opellius Diadumenus)
- Marcus Aurelius Antoninus (born Sextus Varius Avitus Bassianus)
- Best known as Elagabalus. Other nicknames include:
- Heliogabalus
- Tiberinus[4]
- Pseudo-Antoninus[5]
- Sardanapalus[5]
- Marcus Aurelius Severus Alexander (born Bassianus Alexianus)
- Gaius Julius Verus Maximinus
- Marcus Antonius Gordianus Sempronianus Romanus
- Marcus Antonius Gordianus Sempronianus Romanus
- Marcus Clodius Pupienus Maximus
- Best known as Pupienus. Nicknames include:
- Decimus Caelius Calvinus Balbinus Pius
- Best known as Balbinus. Nicknames include:
- Marcus Antonius Gordianus
- Marcus Julius Severus Philippus
- Gaius Messius Quintus Trajanus Decius
- Best known as Decius. Nicknames include:
- Quintus Herennius Etruscus Messius Decius
- Gaius Vibius Trebonianus Gallus
- Gaius Valens Hostilianus Messius Quintus
- Gaius Vibius Afinius Gallus Veldumnianus Volusianus
- Marcus Aemilius Aemilianus
- Publius Licinius Valerianus
- Publius Licinius Egnatius Gallienus
- Publius Cornelius Licinius Saloninus Valerianus Pius Felix
- Marcus Aurelius Claudius Gothicus
- Marcus Aurelius Claudius Quintillus
- Lucius Domitius Aurelianus
- Marcus Aurelius Numerius Numerianus