Roman and Byzantine Emperors by Frequency of Name
| Name | Details |
|---|
| Constantine | 11 emperors |
| Michael | 9 emperors |
| John | 8 emperors |
| Leo | 6 emperors |
| Alexius | 5 emperors |
| Andronicus | 4 emperors |
| Romanus | 4 emperors |
| Gordian | 3 emperors |
| Isaac | 3 emperors |
| Justinian | 3 emperors |
| Nicephorus | 3 emperors |
| Theodosius | 3 emperors |
| Tiberius | 3 emperors |
| Anastasius | 2 emperors |
| Basil | 2 emperors |
| Claudius | 2 emperors |
| Constans | 2 emperors |
| Constantius | 2 emperors |
| Julian | 2 emperors |
| Justin | 2 emperors |
| Manuel | 2 emperors |
| Theodore | 2 emperors |
| Alexander | 1 emperor |
| Antoninus | 1 emperor |
| Arcadius | 1 emperor |
| Augustus | 1 emperor |
| Aurelian | 1 emperor |
| Balbinus | 1 emperor |
| Bardanes | 1 emperor |
| Caligula | 1 emperor |
| Caracalla | 1 emperor |
| Carinus | 1 emperor |
| Carus | 1 emperor |
| Commodus | 1 emperor |
| Decius | 1 emperor |
| Didius | 1 emperor |
| Diocletian | 1 emperor |
| Domitian | 1 emperor |
| Elagabulus | 1 emperor |
| Galba | 1 emperor |
| Galerius | 1 emperor |
| Gallienus | 1 emperor |
| Gallus | 1 emperor |
| Hadrian | 1 emperor |
| Heracleonas | 1 emperor |
| Heraclius | 1 emperor |
| Honorius | 1 emperor |
| Irene | 1 empress |
| Jovian | 1 emperor |
| Leontius | 1 emperor |
| Licinius | 1 emperor |
| Lucius | 1 emperor |
| Macrinus | 1 emperor |
| Majorian | 1 emperor |
| Marcian | 1 emperor |
| Marcus | 1 emperor |
| Maurice | 1 emperor |
| Maximian | 1 emperor |
| Maximinus | 1 emperor |
| Nero | 1 emperor |
| Nerva | 1 emperor |
| Numerian | 1 emperor |
| Otho | 1 emperor |
| Pertinax | 1 emperor |
| Philip | 1 emperor |
| Phocas | 1 emperor |
| Probus | 1 emperor |
| Pupienus | 1 emperor |
| Romulus | 1 emperor |
| Septimius | 1 emperor |
| Severus | 1 emperor |
| Stauracus | 1 emperor |
| Tacitus | 1 emperor |
| Theodora | 1 empress |
| Theophilus | 1 emperor |
| Titus | 1 emperor |
| Trajan | 1 emperor |
| Valens | 1 emperor |
| Valentinian | 1 emperor |
| Valerian | 1 emperor |
| Vespasian | 1 emperor |
| Vitellius | 1 emperor |
| Zeno | 1 emperor |
| Zoe | 1 empress |
