The names by which emperors are commonly known are italicized.
27 B.C.– A.D. 14 |
Imperator Caesar Augustus |
A.D. 14–37 |
Tiberius Caesar Augustus |
37–41 |
Gaius Caesar Augustus Germanicus (Caligula) |
41–54 |
Tiberius Claudius Caesar Augustus Germanicus |
54–68 |
Nero Claudius Caesar Augustus Germanicus |
68–69 |
Ser. Sulpicius Galba Imp. Caesar Augustus |
69 |
Imp. M. Otho Caesar Augustus |
69 |
A. Vitellius Augustus Germanicus Imp. |
69–79 |
Imperator Caesar Vespasianus Augustus (Vespasian) |
79–81 |
Imp. Titus Caesar Vespasianus Augustus |
81–96 |
Imp. Caesar Domitianus Augustus (Domitian) |
96–98 |
Imp. Caesar Nerva Augustus |
98–117 |
Imp. Caesar Nerva Traianus Augustus (Trajan) |
117–138 |
Imp. Caesar Traianus Hadrianus Augustus (Hadrian) |
138–161 |
Imp. Caesar T. Aelius Hadrianus Antoninus Augustus Pius (Antoninus Pius) |
161–180 |
Imp. Caesar Marcus Aurelius Antoninus Augustus |
161–169 |
Imp. Caesar L. Aurelius Verus Augustus (Lucius Verus) |
176–192 |
Imp. Caesar M. Aurelius Commodus Antoninus Augustus |
193 |
Imp. Caesar P. Helvius Pertinax Augustus |
193 |
Imp. Caesar M. Didius Severus Julianus Augustus |
193–211 |
Imp. Caesar L. Septimius Severus Pertinax Augustus |
198–217 |
Imp. Caesar M. Aurelius Antoninus Augustus (Caracalla) |
209–211 |
Imp. Caesar P. Septimius Geta Augustus |
217–218 |
Imp. Caesar M. Opellius Macrinus Augustus |
218 |
Imp. Caesar M. Opellius Antoninus Diadumenianus Augustus |
218–222 |
Imp. Caesar M. Aurelius Antoninus Augustus (Elagabal) |
222–235 |
Imp. Caesar M. Aurelius Severus Alexander Augustus |
235–238 |
Imp. Caesar C. Julius Verus Maximinus Augustus Imp. Caesar M. Antonius Gordianus Sempronianus Romanus Africanus Senior Augustus (Gordian I) Imp. Caesar M. Antonius Gordianus Sempronianus Romanus Iunior Augustus (Gordian II) Imp. Caesar D. Caelius Calvinus Balbinus Augustus and Imp. Caesar M. Clodius Pupienus Augustus |
238–244 |
Imp. Caesar M. Antonius Gordianus Augustus (Gordian III) |
244–248 |
Imp. Caesar M. Julius Philippus Augustus (Philip) |
249–251 |
Imp. Caesar C. Messius Quintus Traianus Decius Augustus (Trajan Decius) |
251–253 |
Imp. Caesar C. Vibius Trebonianus Gallus Augustus |
251–253 |
Imp. Caesar C. Vibius Afinius Gallus Veldumnianus Volusianus Augustus (Volusian) |
253 |
Imp. Caesar M. Aemilius Aemilianus Augustus (Aemilian) |
253–260 |
Imp. Caesar P. Licinius Valerianus Augustus (Valerian) |
253–268 |
Imp. Caesar P. Licinius Egnatius Gallienus Augustus |
268–270 |
Imp. Caesar M. Aurelius Claudius Augustus (Claudius II) |
270 |
Imp. Caesar M. Aurelius Claudius Quintillus Augustus |
270–275 |
Imp. Caesar L. Domitius Aurelianus Augustus (Aurelian) |
275–276 |
Imp. Caesar M. Claudius Tacitus Augustus |
276 |
Imp. Caesar M. Annius Florianus Augustus (Florian) |
276–282 |
Imp. Caesar M. Aurelius Probus Augustus |
282–283 |
Imp. Caesar M. Aurelius Carus Augustus |
283–285 |
Imp. Caesar M. Aurelius Carinus Augustus |
283–284 |
Imp. Caesar M. Aurelius Numerius Numerianus Augustus (Numerian) |
284–305 |
Imp. Caesar C. Aurelius Valerius Diocletianus Augustus (Diocletian) |
286–305 |
Imp. Caesar M. Aurelius Valerius Maximianus Augustus (Maximian) |
305–306 |
Imp. Caesar Flavius Valerius Constantius Augustus |
305–311 |
Imp. Caesar C. Galerius Valerius Maximianus Augustus |
306–307 |
Imp. Caesar Valerius Severus Augustus |
306–312 |
Imp. Caesar M. Aurelius Valerius Maxentius Augustus |
307–337 |
Imp. Caesar Flavius Valerius Constantinus Augustus (Constantine) |
308–324 |
Imp. Caesar Valerius Licinianus Licinius Augustus |
308/9–313 |
Imp. Caesar C. Valerius Galerius Maximinus Augustus (Maximin) |
337–340 |
Imp. Caesar Flavius Claudius Constantinus Augustus (Constantine II) |
337–350 |
Imp. Caesar Flavius Julius Constans Augustus |
337–361 |
Imp. Caesar Flavius Julius Constantius Augustus (Constantius II) |
361–363 |
Imp. Caesar Flavius Claudius Julianus Augustus (Julian) |
363–364 |
Imp. Caesar Flavius Claudius Jovianus (Jovian) |
364–375 |
Imp. Caesar Flavius Valentianianus Augustus (Valentinian I) |
364–378 |
Imp. Caesar Flavius Julius Valens Augustus |
367–383 |
Imp. Caesar Flavianus Gratianus Augustus (Gratian) |
375–392 |
Imp. Caesar Flavius Valentinianus Augustus (Valentinian II) |
379–395 |
Imp. Caesar Flavius Theodosius Augustus (Theodosius I) |
383–408 |
Imp. Caesar Flavius Arcadius Augustus (Arcadius) |
393–423 |
Imp. Caesar Flavius Honorius Augustus (Honorius) |
408–450 |
Imp. Caesar Flavius Theodosius Augustus (Theodosius II) |
421 |
Imp. Caesar Flavius Constantius Augustus (Constantius III) |
425–455 |
Imp. Caesar Flavius Valentinianus Augustus (Valentinian III) |
455 |
Imp. Caesar Flavius Petronius Maximus Augustus (Petronius Maximus) |
455 |
Imp. Caesar Maecilius Flavius Eparchius Avitus Augustus (Eparchius Avitus) |
457–461 |
Imp. Caesar Julius Valerius Marjorianus Augustus (Marjorian) |
461–465 |
Imp. Caesar Flavius Libius Severus Augustus (Libius Severus) |
467–472 |
Imp. Caesar Procopius Anthemius Augustus (Anthemius) |
472 |
Imp. Caesar Olybius Augustus (Olybius) |
473–475 |
Imp. Caesar Julius Nepos Augustus (Julius Nepos) |
475–476 |
Imp. Caesar Romulus Augustus (Romulus Augustulus) |
Eastern Emperors
450–457 |
Imp. Caesar Flavius Marcianus Augustus (Marcian) |
457–474 |
Imp. Caesar Flavius Valerius Leo Augustus |
474–491 |
Imp. Caesar Flavius Zeno Augustus |
491–518 |
Imp. Caesar Flavius Anasthasius Augustus (Anasthasius) |
518–527 |
Imp. Caesar Flavius Justinus Augustus (Justin) |
527–565 |
Imp. Caesar Flavius Petrus Sabbatius Justinianus (Justinian) |
565–578 |
Imp. Caesar Flavius Justinus Iunior Augustus (Justin II) |
578–582 |
Imp. Caesar Flavius Tiberius Constantinus Augustus (Tiberius Constantine) |
582–602 |
Imp. Caesar Flavius Mauricius Tiberius Augustus (Maurice) |
602–610 |
Imp. Caesar Flavius Phocas Augustus (Phocas) |
610–641 |
Imp. Caesar Flavius Heraclius Augustus (Heraclius) |