List of Byzantine emperors
Constantinian dynasty (306-363)
- 1. St. Constantine I (Constantinus Pius Felix Invictus Augustus Pontifex Maximus Pater Patriae Proconsul; 272 - 337; ruled 306 - 337) – son of Constantius Chlorus
- 2. Constantius II (Flavius Iulius Constantius; 317 - 361; ruled 337 - 361) – son of Constantine I
- 3. Julian (Flavius Claudius Iulianus; 331 - 363; ruled 361 - 363) –son-in-law of Constantine I, brother-in-law and first cousin of Constantius II, grandson of Constantius I
Non-dynastic
- 4. Jovian (Iovianus; 332 - 364; ruled 363 - 364) – soldier, restored Christianity
Valentinian-Theodosian dynasty (364-457)
- 5. Valentinian I (Flavius Valentinianus; 321 - 375; ruled 364) – soldier
- 6. Valens (Flavius Iulius Valens; 328 - 378; ruled 364 - 378) – brother of Valentinian I
- 7. Gratian (Flavius Gratianus; 359 - 383; ruled 378 - 379) – son of Valentinian I
- 8. Theodosius I (Flavius Gratianus; 346 - 395; ruled 379 - 395) – soldier
- 9. Arcadius (Flavius Arcadius; 377 - 408; ruled 395 - 408) – son of Theodosius I, brother of Honorius
- 10. Theodosius II (Flavius Theodosius; 401 - 450; ruled 408 - 450) – son of Arcadius
- 11. Pulcheria (Aelia Purcheria; 399 – 453; ruled 408 - 441, 450) – sister of Theodosius II
- 12. Marcian (Flavius Marcianus; 392 - 457; ruled 450 - 457) – soldier; married Pulcheria after Theodosius's death
Leonid dynasty (457-518)
- 13. Leo I the Thracian (Valerius Leo) (401-474, ruled 457 - 474) – soldier
- 14. Leo II (467 - 474, ruled 474) – grandson of Leo I, son of Zeno
- 15. Zeno (425 - 491, ruled 474 - 475) – son-in-law of Leo I
- 16. Basiliscus ( ? - c. 477, ruled 475 - 476) – usurper; brother-in-law of Leo I
- Zeno (ruled 476 - 491) – restored
- 17. Anastasius I (430 - 518, ruled 491 - 518) – son-in-law of Leo I
Justinian dynasty (518-602)
- 18. Justin I (Flavius Iustinius; 450 - 527; ruled 518 - 527)
- 19. Justinian I the Great (Flavius Petrus Sabbatius Iustinianus; 482 - 565; ruled 527 - 565) – nephew and adoptive son of Justin I
- 20. Justin II (Flavius Iustinius Iunior; 520 - 578; ruled 565 - 578) – nephew of Justinian I
- 21. Tiberius II Constantine (Flavius Tiberius Constantinus; 540 - 582, ruled 574, 578 - 582) – adopted by Justin II
- 22. Maurice (Flavius Mauricius Tiberius; 539 - 602, ruled 582 - 602) – son-in-law of Tiberius II
Non-dynastic
- 23. Phocas (Flavius Phocas; ? - 610; ruled 602 - 610)
Heraclian dynasty (610-695)
- 24. Heraclius (575 - 641, ruled 610 - 641)
- 25. Constantine III (Heraclius Constantine) (612 - 641, ruled 641) – son of Heraclius; coemperor with Heraklonas
- 26. Heraklonas (Constantine Heraclius)(626 - 641?, ruled 641) – son of Herakleios
- 27. Constans II (Herakleios, later Constantine, called the Bearded) (630 - 668, ruled 641 - 668) – son of Constantine III
- 28. Mezezius (668 - 669)
- 29. Constantine IV (649 - 685, ruled 668 - 685) – son of Constans II
- 30. Justinian II the Slit-nosed (668 - 711, ruled 685 - 695) – son of Constantine IV
Heraclian dynasty (705-711)
Isaurian dynasty (717-802)
- 36. Leo III the Isaurian (675 - 741, ruled 717 - 741)
- 37. Constantine V Kopronymos (the Dung-named) (718 - 775, ruled 741) – son of Leo III
- 38. Artabasdus the Icon-lover (ruled 741 - 743) – Leo III's son-in-law
- 39. Leo IV the Khazar (750 - 780, ruled 775 - 780) – son of Constantine V
- 40. Constantine VI the Blinded (771 - 797 or 805, ruled 780 - 797) – son of Leo IV
- 41. Irene the Athenian (755 - 803, ruled 797 - 802) – wife of Leo IV, mother of Constantine VI
Nikephoros' dynasty (802-813)
- 42. Nikephoros I ( ? - 811, ruled 802 - 811)
- 43. Staurakios ( ? - 812, ruled 811) – son of Nikephoros I
- 44. Michael I Rangabe (ruled 811 - 813) – son-in-law of Nikephoros I
Phrygian dynasty (820-867)
- 46. Michael II the Stammerer or the Amorian (770 - 829, ruled 820 - 829) – son-in-law of Constantine VI
- 47. Theophilos (813 - 842, ruled 829 - 842) – son of Michael II
- 48. Theodora (ruled 842 - 855) – wife of Theophilus
- 49. Michael III the Drunkard (840 - 867, ruled 842 - 867) – son of Theophilos
Macedonian dynasty (867-1056)
- 50. Basil I the Macedonian (811 - 886, ruled 867 - 886) - married Michael III's widow
- 51. Leo VI the Wise (866 - 912, ruled 886 - 912)
- 52. Alexander (870 - 913, ruled 912 - 913) – son of Basil I
- 53. Constantine VII the Purple-born (905-959, ruled 913 - 959) – son of Leo VI
- 54. Romanos I Lekapenos (870 - 948, ruled 919 - 944) – father-in-law of Constantine VII
- 55. Romanos II the Purple-born (939 - 963, ruled 959 - 963) – son of Constantine VII
- 56. Nikephoros II Phokas (912 - 969, ruled 963 - 969) – married Romanos II's widow
- 57. John I Tzimiskes (925 - 976, ruled 969 - 976) – brother-in-law of Romanus II
- 58. Basil II the Bulgar-slayer (958 - 1025, ruled 976 - 1025) – son of Romanos II
- 59. Constantine VIII (960-1028, ruled 1025 - 1028) – son of Romanos II
- 60. Zoe (c. 978 - 1050, ruled 1028 - 1050) – daughter of Constantine VIII
- 61. Romanos III Argyros (968 - 1034, ruled 1028 - 1034) – Zoe's first husband
- 62. Michael IV the Paphlagonian (1010 - 1041, ruled 1034 - 1041) – Zoe's second husband
- 63. Michael V the Caulker (1015 - 1042, ruled 1041 - 1042) – Michael IV's nephew, Zoe's adopted son
- 64. Theodora (980 - 1056, ruled 1042) – daughter of Constantine VIII, coempress with Zoe
- 65. Constantine IX Monomachos (1000 - 1055, ruled 1042 - 1055) – Zoe's third husband
Non-dynastic
- 66. Michael VI the General (ruled 1056 - 1057) – chosen by Theodora
Komnenid dynasty
- 67. Isaac I Komnenos (c. 1007 - 1060, ruled 1057 - 1059) – soldier
Doukid dynasty (1059-1081)
- 68. Constantine X Doukas (1006 - 1067, ruled 1059 - 1067)
- 69. Michael VII Doukas Quarter-short (1050 - 1090, ruled 1067 - 1078) – son of Constantine X
- 70. Romanos IV Diogenes (1032 - 1072, ruled 1068 - 1071) – married Constantine X's widow
- 71. Nikephoros III Botaneiates (1001 - 1081, ruled 1078 - 1081)
Komnenid dynasty (restored, 1081-1185)
- 72. Alexios I Komnenos (1057 - 1118, ruled 1081 - 1118) – nephew of Isaac I, married Constantine X's grandniece
- 73. John II Komnenos the Handsome (1087 - 1143, ruled 1118 - 1143) – son of Alexios I
- 74. Manuel I Komnenos the Great (1118 - 1180, ruled 1143 - 1180) – son of John II
- 75. Alexios II Komnenos (1169 - 1183, ruled 1180 - 1183) – son of Manuel I
- 76. Andronikos I Komnenos (1118 - 1185, ruled 1183 - 1185) – nephew of John II; married Alexios II's widow
Angelid dynasty (1185-1204)
- 77. Isaac II Angelos (1156 - 1204, ruled 1185 - 1195) – great-grandson of Alexios I
- 78. Alexios III Angelos (1153 - 1211, ruled 1195 - 1203) – brother of Isaac II
- 79. Alexios IV Angelos (1182 - 1204, ruled 1203 - 1204) – son of Isaac II
- 80. Nikolaos Kanabos (ruled 1204)
- 81. Alexios V Doukas the Bushy-eyebrowed (1140 - 1204, ruled 1204) – son-in-law of Alexios III
Palaiologan Dynasty (restored to Constantinople, 1259-1453)
At around this time the emperors began using the title Βασιλευς Βασιλεων Βασιλευων Βασιλευσιν, that is, Emperor of Emperors, ruling over those who rule.
- 87. Michael VIII Palaiologos (1224 - 1282, ruled 1259 - 1282) – great-grandson of Alexios III Angelos
- 88. Andronikos II Palaiologos the Elder (1258 - 1332, ruled 1282 - 1328) – son of Michael VIII
- 89. Andronikos III Palaiologos the Younger (1297 - 1341, ruled 1328 - 1341) – grandson of Andronikos II
- 90. John V Palaiologos (1332 - 1391, ruled 1341 - 1347) – son of Andronikos III
- 91. John VI Kantakouzenos (1295 - 1383, ruled outright 1347 - 1354) – father-in-law of John V
- 92. Andronikos IV Palaiologos (1348 - 1385, ruled 1376 - 1379) – son of John V
- 93. John VII Palaiologos (1370 - 1408, ruled 1390) – son of Andronikos IV
- 94. Manuel II Palaiologos (1350 - 1425, ruled 1391 - 1425) – son of John V
- 95. John VIII Palaiologos (1392 - 1448, ruled 1425 - 1448) – son of Manuel II
- 96. Constantine XI Palaiologos Dragases (1405 - 1453, ruled 1449 - 1453) – son of Manuel II, not crowned in Constantinople
Ottomans
In 1453 Mehmed II overthrew the Byzantine Empire and claimed the title of Kaisar; his successors continued this claim. See Ottomans for the complete list of Ottoman sultans.
Palaiologan Dynasty (in exile)