This is a list of Roman Emperors. Shown are the dates of their reign.
- Julius Caesar (46 BC - 44 BC), technically Dictator, not Imperator
- Augustus (27 BC - 14 AD)
- Tiberius (14 - 37)
- Caligula (37 - 41)
- Claudius (41 - 54)
- Nero (54 - 68)
- Galba (68)
- Otho (69)
- Vitellius (69)
- Vespasian (69 - 79)
- Titus Flavius (79 - 81)
- Domitian (81 - 96)
- Nerva (96 - 98)
- Trajan (98 - 117)
- Hadrian (117 - 138)
- Antoninus Pius (138 - 161)
- Marcus Aurelius (161 - 180)
- Lucius Verus (161 - 169)
- Commodus (180 - 193)
- Septimius Severus (193 - 211)
- Caracalla (211 - 217)
- Macrinus (217–218)
- Heliogabalus (218 - 222)
- Alexander Severus (222 - 235)
- Maximinus Thrax (235 - 238)
- Balbinus (238)
- Gordian III (238-244)
- Philip the Arab (244-249)
- Trajan Decius (249-251)
- Herennius Etruscus (251)
- Hostilian (251)
- Trebonianus Gallus (251-253)
- Aemilianus (253)
- Gallienus (253-268)
- Valerian I (253-260)
- Claudius II Gothicus (268-270)
- Quintillus (270)
- Aurelian (270-275)
- Tacitus (275-276)
- Florianus (276)
- Probus (276-282)
- Carian (282-283)
- Carinus (283-284)
- Numerianus (283-284)
- Diocletian (284 - 305)
- Maximian (284 - 305
- Constantius Chlorus (305)
- Galerius (305 - 311)
- Maxentius (306 - 312)
- Licinius (308 - 334)
- Constantine I, the Great (306 - 337)
- Constantine II (337 - 340)
- Constans (337 - 350)
- Constantius II (337 - 351)
- Julian (361 - 363). Also known as 'the Apostate'
- Jovian (363 - 384)
- Valentinian I (364 - 375) - west
- Valens (364 - 378)
- Gratianus (375-383)
- Magnus Maximus (383 - 388) - west
- Valentinian II (375 - 392)
- Theodosius I (379 - 395)
- Arcadius (395 - 408) - east
- Honorius (395 - 423) - west
- Theodosius II (402 - 450) - east
- Valentinian III (425 - 455) - west
- Petronius Maximus (455)
- Marcian (450 - 457) - east
- Avitus (456 - 457) - west
- Leo I (457 - 474) - east
- Majorian (457 - 461) - west
- Anthemius (465 - 472) - west
- Olybrius (472) - west
- Glycerius (473 - 474) - west
- Zeno - east (474 - 491)
- Julius Nepos - west (474 - 475/480)
- Romulus Augustus (a.k.a. Romulus Augustulus) 'last' western emperor (475 - 476)
See also list of East Roman Emperors also known as Byzantine Emperors
/JulioClaudian family tree
External links
There are good biographies of most Roman Emperors in De Imperatoribus Romanis.