| Augustus | Imperator Caesar Divi Filius | d. 19.viii.14 |
| Tiberius | Tiberius Caesar Augustus | 19.viii.14-16.iii.37 |
| Gaius (Caligula) | C. Caesar Augustus Germanicus | 16.iii.37-24.i.41 |
| Claudius | Ti. Claudius Caesar Augustus Germanicus | 25.i.41-13.x.54 |
| Nero | Nero Claudius Caesar Augustus Germanicus | 13.x.54-9.vi.68 |
| Galba | Ser. Sulpicius Galba Imperator Caesar Augustus | 9.vi.68-15.i.69 |
| Otho | Imperator M. Otho Caesar Augustus | 15.i.69-25.iv.69 |
| Vitellius | A. Vitellius Imperator | 3.i.69-28.xii.6 |
| Vespasian | Imperator Caesar Vespasianus Augustus | 1.vii.69-23.vi.79 |
| Titus | Imperator Titus Vespasianus Augustus | 23.vi.79-13.ix.81 |
| Domitian | Imperator Caesar Domitianus Augustus | 14.ix.81-18.ix.96 |
| Nerva | Imperator Nerva Caesar Augustus | 18.ix.96-27/28.i.98 |
| Trajan | Imperator Nerva Caesar Traianus Augustus | 27/28.i.98-9?.viii.117 |
| Hadrian | Imperator Caesar Traianus Hadrianus Augustus | 10?.viii.117-10.vii.138 |
| Antoninus Pius | Imperator Caesar T. Aelius Hadrianus Antoninus Augustus Pius | 10.vii.138-7.iii.161 |
| Marcus Aurelius | Imperator Caesar M. Aurelius Antoninus Augustus | 7.iii.161-17.iii.180 |
| Lucius Verus | Imperator Caesar L. Aurelius Verus Augustus | 7.iii.161-i/ii.169 |
| Commodus | Imperator Caesar M. Aurelius Commodus Antoninus Augustus | 17.iii.180-31.xii.192 |
| Pertinax | Imperator Caesar P. Helvius Pertinax Augustus | 1.i.193-28.iii.193 |
| Didius Julianus | Imperator Caesar M. Didius Severus Iulianus Augustus | 28.iii.193-2.vi.193 |
| Septimius Severus | Imperator Caesar L. Septimius Severus Pertinax Augustus | 9.iv.193-4.ii.211 |
| Clodius Albinus | Imperator Caesar D. Clodius Septimius Albinus | viii.195/6-19.ii.197 |
| Pescennius Niger | Imperator Caesar C. Pescennius Niger Iustus Augustus | iv/v.193-x.194 |
| Caracalla | Imperator Caesar M. Aurelius Severus Antoninus Augustus | 4.ii.211-6/8.ii.217 |
| Geta | Imperator Caesar P. Septimius Severus Geta Augustus | 4.ii.211-2.ii.212 |
| Macrinus | Imperator Caesar M. Opellius Severus Macrinus Augustus | 11.iv.217-8.vi.218 |
| Elagabalus | Imperator Caesar M. Aurelius Antoninus Augustus | 16.v.218-13.iii.222 |
| Alexander Severus | Imperator Caesar M. Aurelius Severus Alexander Augustus | 13.iii.222-i.235 |
| Maximinus Thrax | Imperator Caesar C. Iulius Verus Maximinus Augustus | 25.iii.235-v/vi.238 |
| Pupienus | Imperator Caesar M. Clodius Pupienus Maximus Augustus | (99 days) in 238 |
| Balbinus | Imperator Caesar D. Caelius Calvinus Balbinus Augustus | (99 days) in 238 |
| Gordian I | Imperator Caesar M. Antonius Gordianus Sempronianus Romanus Africanus Augustus | (20-22 days) in 238 |
| Gordian II | Imperator Caesar M. Antonius Gordianus Sempronianus Romanus Africanus Augustus (Filius) | (20-22 days) in 238 |
| Gordian III | Imperator Caesar M. Antonius Gordianus Augustus | 29.viii.238-i.244 |
| Philip I the Arab | Imperator Caesar M. Iulius Philippus Augustus | iii.244-16.x.249 |
| Philip II | Imperator Caesar M. Iulius Severus Philippus Augustus | vii/viii.247-16.x.249 |
| Marinus | Imperator Caesar Ti. Claudius Marinus Pacatianus | 248-249 |
| Decius (père) | Imperator Caesar C. Messius Quintus Traianus Decius Augustus | ix.249-vi.251 |
| Decius (fils) | Imperator Caesar Q. Herennius Etruscus Messius Decius Augustus | v.251-vi.251 |
| Trebonianus Gallus | Imperator Caesar C. Vibius Trebonianus Gallus Augustus | v/vi.251-x.253 |
| Volusianus | Imperator Caesar C. Vibius Afinius Gallus Veldumnianus Volusianus Augustus | xi.251-x.253 |
| Aemilianus | Imperator Caesar M. Aemilius Aemilianus Augustus | vii/viii.253-ix/x.253 |
| Valerian | Imperator Caesar P. Licinius Valerianus Augustus | 22.x.253-260 |
| Gallienus | Imperator Caesar P. Licinius Egnatius Gallienus Augustus | 22.x.253-268 |
| Postumus | Imperator Caesar M. Cassianius Latinius Postumus Augustus (in Gaul) | 260-269 |
| Victorinus | Imperator Caesar M. Piavonius Victorinus Augustus (in Gaul) | 268-270 |
| Tetricus | Imperator Caesar C. Pius Esuvius Tetricus Augustus (in Gaul) | 270-274 |
| Claudius II Gothicus | Imperator Caesar M. Aurelius Claudius Augustus | vi.268-270 |
| Aurelian | Imperator Caesar L. Domitius Aurelianus Augustus | v.270-x/xi.275 |
| Tacitus | Imperator Caesar M. Claudius Tacitus Augustus | x/xi.275-iv.276 |
| Florian | Imperator Caesar M. Annius Florianus Augustus | iv.276-vi/vii.276 |
| Probus | Imperator Caesar M. Aurelius Probus Augustus | vi/vii.276-viii.282 |
| Carus | Imperator Caesar M. Aurelius Carus Augustus | ix?.282-vii?.283 |
| Carinus | Imperator Caesar M. Aurelius Carinus Augustus | vii?.283-285 |
| Numerian | Imperator Caesar M. Aurelius Numerius Numerianus Augustus | vii?.283-11?.284 |
| Diocletian | Imperator Caesar C. Aurelius Valerius Diocletianus Augustus | 20?.xi.284-1.v.305 |
| Maximian | Imperator Caesar M. Aurelius Valerius Maximianus Augustus | 286-1.v.305 |
| Constantius Chlorus
(Constantius I Pius) |
C. Flavius Valerius Constantius Nobilissimus Caesar
Dominus Noster C. Flavius Valerius Constantius Augustus |
1.iii.293-i.v.305
1.v.305-25.vii.306 |
| Galerius | C. Galerius Maximianus Nobilissimus Caesar
Dominus Noster C. Galerius Valerius Maximianus Augustus |
1.iii.293-1.v.305
1.v.305-5.v.311 |
| Severus | D.N. Flavius Valerius Severus Augustus (Caesar from 305) | 306-Spring 307 |
| Maximinus Daia | C. Valerius Galerius Maximinus Nobilissimus Caesar
Dominus Noster C. Valerius Galerius Maximinus Augustus |
1.v.305-v.309
v.309-viii?.313 |
| Maxentius | Dominus Noster M. Aurelius Valerius Maxentius Augustus | 28.x.306-28.x.312 |
| Licinius (père) | Dominus Noster Valerius Licinianus Licinius Augustus | 11.xi.308-18.ix.324 |
| Licinius fils | Valerius Licinianus Licinius Iunior Nobilissimus Caesar | 1.iii.317-18.ix.324 |
| Constantine I | L. (M./C.) Flavius Valerius Constantinus Nobilissimus Caesar
Dominus Noster L. (M./C.) Flavius Valerius Constantinus Augustus |
25.vii.306-307
307-22.v.337 |
| Crispus | Flavius Iulius Valerius Crispus Nobilissimus Caesar | 317-326 |
| Constantine II | Flavius Claudius Constantinus Nobilissimus Caesar
Dominus Noster Flavius Claudius Constantinus Augustus |
1.iii.317-9.ix.337
9.ix.337-9.iv.340 |
| Constans | Dominus Noster Flavius Iulius Claudius Constans Augustus | 9.ix.337-18.i.350 |
| Constantius II | Flavius Iulius Constantius Nobilissimus Caesar
Dominus Noster Flavius Iulius Constantius Augustus |
13.xi.324-9.ix.337
9.ix.337-3.xi.361 |
| Magnentius | Dominus Noster Flavius Magnus Magnentius Augustus | 18.i.350-10/11.viii.353 |
| Gallus | Flavius Claudius Constantius Gallus Nobilissimus Caesar | 15.iii.351-354 |
| Julian | Dominus Noster Flavius Claudius Iulianus Nobilissimus Caesar
Dominus Noster Flavius Claudius Iulianus Augustus |
355-361
3.xi.361-26.vi.363 |
| Jovian | Dominus Noster Flavius Iovianus Augustus | 27.vi.363-16.ii.364 |
| Valentinian I | Dominus Noster Flavius Valentinianus Augustus | 26.ii.364-17.xi.375 |
| Valens | Dominus Noster Flavius Valens Augustus | 28.iii.364-9.viii.378 |
| Gratian | Dominus Noster Flavius Gratianus Augustus | 24.viii.367-25.viii.383 |
| Valentinian II | Dominus Noster Flavius Valentinianus Iun. Augustus | 22.xi.375-15.v.392 |
| Maximus | Dominus Noster Flavius Magnus Maximus Augustus | 383-28.viii.388 |
| Eugenius | Dominus Noster Flavius Eugenius Augustus | 393 |
| Theodosius | Dominus Noster Flavius Theodosius Augustus | i.379-17.i.395 |
| Honorius (West) | Dominus Noster Flavius Honorius Augustus | 23.i.393-15.viii.423 |
| Arcadius (East) | Dominus Noster Flavius Arcadius Augustus | 17.i.395-1.v.408 |
| Constantine III (in Gaul) | Dominus Noster Flavius Claudius Constantinus Augustus | 408-18.ix.411 |
| Constantius III (West) | Dominus Noster Flavius Constantius Augustus | 8.ii.421-21.ix.421 |
| Theodosius II (East) | Dominus Noster Flavius Theodosius Augustus | 1.v.408-28.vii.450 |
| Iohannes (West) | Dominus Noster Iohannes Augustus | 423-425 |
| Valentinian III (West) | Dominus Noster Flavius Placidus Valentinianus Augustus | 23.x.425-16.iii.455 |
| Petronius (West) | Dominus Noster Flavius Petronius Maximus Augustus | (2 months) 455 |
| Marcian (East) | Dominus Noster Flavius Marcianus Augustus | 24.viii.450-i/ii.457 |
| Avitus (West) | Dominus Noster M. Maecilius Flavius Eparchus Avitus Augustus | 9.vii.455-17.x.456 |
| Majorian (West) | Dominus Noster Flavius Iulius Valerius Maiorianus Augustus | 28.xii.457-2.viii.461 |
| Leo I (East) | Dominus Noster Flavius Novus Leo Augustus | 7.ii.457-3.ii.474 |
| Libius Severus (West) | Dominus Noster Libius Severus Augustus | 19.xi.461-25.ix.465 |
| Anthemius (West) | Dominus Noster Procopius Anthemius Augustus | 12.iv.467-30.vi.472 |
| Olybrius (West) | Dominus Noster (Flavius) Anicius Olybrius Augustus | iv.472-x.472 |
| Leo II (East) | Dominus Noster Flavius Leo Iunior Augustus | 18.xi.473-10.ii.474 |
| Zeno (East) | Dominus Noster Flavius Zeno Augustus | 9.ii.474-9.iv.491 |
| Anastasius (East) | Dominus Noster Flavius Anastasius Augustus | 10.iv.491-9.vii.518 |
| Justin I (East) | Dominus Noster Flavius Iustinus Augustus | 9.vii.518-1.viii.527 |
| Justinian (East) | Dominus Noster Flavius Petrus Sabbatius Iustinianus | 1.viii.527-14.xi.565 |
| Justin II (East) | Dominus Noster Flavius Iustinus Iunior Augustus | 14.xi.565-4.x.578 |
| Tiberius (East) | Dominus Noster Flavius Tiberius Constantinus Augustus | 26.ix.578-14.viii.582 |
| Maurice (East) | Dominus Noster Flavius Mauricius Tiberius Augustus | 13.viii.582-22.xi.602 |
| Phocas (East) | Dominus Noster Flavius Phocas Augustus | 22.xi.602-5.x.610 |
| Heraclius (East) | Dominus Noster Flavius Heraclius Augustus | 5.x.610-11.ii.641 |