Roman Praetorian prefects

Julio-Claudian dynasty (2 BC – AD 68)

• Publius Salvius Aper 2 BC – ?? Augustus
• Quintus Ostorius Scapula 2 BC – ?? Augustus
• Publius Varius Ligur[4] ?? – ?? Augustus
• Lucius Seius Strabo ?? – 15 Augustus, Tiberius
• Lucius Aelius Sejanus 14 – 31 Tiberius
• Quintus Naevius Sutorius Macro 31 – 38 Tiberius, Caligula
• Marcus Arrecinus Clemens 38 – 41 Caligula
• Lucius Arruntius Stella[5] 38 – 41 Caligula
• Rufrius Pollio 41 – 43 Claudius
• Catonius Justus 41 – 43 Claudius
• Rufrius Crispinus 43 – 50 Claudius
• Lucius Lusius Geta 47 – 50 Claudius
• Sextus Afranius Burrus 50 – 62 Claudius, Nero
• Lucius Faenius Rufus 62 – 65 Nero
• Gaius Ofonius Tigellinus 62 – 68 Nero
• Gaius Nymphidius Sabinus 65 – 68 Nero

Year of the Four Emperors (AD 68 – 69)

• Cornelius Laco 68 – 69 Galba
• Plotius Firmus 69 – 69 Otho
• Licinius Proculus 69 – 69 Otho
• Publius Sabinus 69 – 69 Vitellius
• Alfenius Varus 69 – 69 Vitellius
• Junius Priscus 69 – 69 Vitellius

Flavian dynasty (AD 69 – 96)

• Arrius Varus 69 – 70 Vespasian
• Marcus Arrecinus Clemens[6] 70 – 71 Vespasian
• Tiberius Julius Alexander[7] 69 – ?? Vespasian
• Titus Flavius Vespasianus[8] 71 – 79 Vespasian
• Lucius Julius Ursus[9] 81 – 83 Domitian
• Cornelius Fuscus 81 – 86 Domitian
• Lucius Laberius Maximus[9] 83 – 84 Domitian
• Casperius Aelianus 84 – 94 Domitian
• Titus Flavius Norbanus 94 – 96 Domitian
• Titus Petronius Secundus 94 – 96 Domitian

Five Good Emperors to Didius Julianus (AD 96 – 193)

• Casperius Aelianus 96 – 98 Nerva
• Sextus Attius Suburanus 98 – 101 Trajan
• Tiberius Claudius Livianus 101 – 112 Trajan
• Publius Acilius Attianus[10] 112 – 119 Trajan, Hadrian
• Servius Sulpicius Similis 112 – 119 Trajan, Hadrian
• Gaius Septicius Clarus 119 – 121 Hadrian
• Quintus Marcius Turbo 119 – ?? Hadrian
• Marcus Petronius Mamertinus 139 – 143 Hadrian, Antoninus Pius
• Marcus Gavius Maximus 136 – 156 Hadrian, Antoninus Pius
• Gaius Tattius Maximus 156 – 159 Antoninus Pius
• Fabius Cornelius Repentinus 159 – ?? Antoninus Pius
• Furius Victorinus 160 – 168 Antoninus Pius, Marcus Aurelius
• Macrinius Vindex ?? – ?? Marcus Aurelius
• Marcus Bassaeus Rufus 168 – 177 Marcus Aurelius
• Publius Tarrutenius Paternus by 179 – 182? Marcus Aurelius, Commodus
• Sextus Tigidius Perennis 180 – 185 Commodus
• Niger 185 – 185 Commodus
• Marcius Quartus 185 – 185 Commodus
• Titus Longaeus Rufus 185 – by 187 Commodus
• Publius Atilius Aebutianus c. 185 – c. 187 Commodus
• Marcus Aurelius Cleander c. 187 – 189? Commodus
• Lucius Julius Vehilius Gratus Julianus 188 – c. 189 Commodus
• Regillus c. 189 – c. 189 Commodus
• Motilenus c. 190 – c. 190 Commodus, Pertinax, Didius Julianus
• Quintus Aemilius Laetus 192 – 193 Commodus, Pertinax, Didius Julianus
• Titus Flavius Genialis 193 – 193 Didius Julianus
• Tullius Crispinus 193 – 193 Didius Julianus

Severan dynasty (AD 193 – 235)

• Flavius Juvenalis 193 – by 200 Didius Julianus, Septimius Severus
• Decimus Veturius Macrinus 193 – by 200 Didius Julianus, Septimius Severus
• Gaius Fulvius Plautianus 197? – 205 Septimius Severus
• Quintus Aemilius Saturninus 200 – 200 Septimius Severus
• Marcus Aurelius Julianus c. 200/205 Septimius Severus, Caracalla
• Marcus Flavius Drusianus c. 204/204 Septimius Severus, Caracalla
• Aemilius Papinianus 205 – 211 Septimius Severus, Caracalla
• Quintus Maecius Laetus 205 – 215? Septimius Severus, Caracalla
• Valerius Patruinus 211? – 212 Caracalla
• Gnaeus Marcius Rustius Rufinus c. 212 – c. 217 Caracalla
• Marcus Oclatinius Adventus 215? – 217 Caracalla
• Marcus Opellius Macrinus[11] 212? – 217 Caracalla
• Ulpius Julianus 217? – 218 Macrinus
• Julianus Nestor 217? – 218 Macrinus
• Julius Basilianus 218 – 218 Elagabalus
• Publius Valerius Comazon Eutychianus 218 – 222 Elagabalus
• Antiochianus 221 – 221 Elagabalus
• Flavianus 222 – ?? Alexander Severus
• Geminius Chrestus 222 – ?? Alexander Severus
• Gnaeus Domitius Annius Ulpianus 222 – 228 Alexander Severus
• Lucius Domitius Honoratus 223/226 – ?? Alexander Severus
• Marcus Aedinius Julianus 223? – by 238 Alexander Severus
• Marcus Attius Cornelianus c. 230 – c. 230 Alexander Severus
• Julius Paulus 228 – 235 Alexander Severus

Crisis of the Third Century (AD 235 – 285)

• Vitalianus ?? – 238 Maximinus Thrax
• Annullinus ?? – 238 Maximinus Thrax
• Pinarius Valens 238 – 238 Pupienus; Balbinus
• Domitius by. 240 – ?? Gordian III
• Gaius Furius Sabinius Aquila Timesitheus 241 – 243 Gordian III
• Gaius Julius Priscus 242 – after 246 Gordian III; Philip the Arab
• Marcus Julius Philippus 243 – 244 Gordian III
• Maecius Gordianus 244 – 244 Gordian III
• Quintus Herennius Potens 249? – 251 Decius?
• Successianus c. 257 – 260 Valerian
• Silvanus ?? – c. 260 Gallienus
• Callistus Ballista 260 – 261 Macrianus, Quietus
• Lucius Petronius Taurus Volusianus c. 260 – c. 267 Gallienus
• Marcus Aurelius Heraclianus by 268 – ?? Gallienus
• Julius Placidianus c. 270 – c. 275 Aurelian
• Marcus Annius Florianus 275? – 276 Tacitus
• Marcus Aurelius Carus ?? – 282 Probus
• Lucius Flavius Aper 282? – 284 Numerian
• Marcus Aurelius Sabinus Julianus c. 283? – c. 284 Carinus
• Titus Claudius Marcus Aurelius Aristobulus 284 – 285 Carinus; Diocletian

Tetrarchy to Constantine I (AD 285 – 324)

• [George Dean Diocletian
• Julius Asclepiodotus 285/297 Diocletian; Constantius Chlorus
• Constantius Chlorus ?? – ?? Diocletian
• Rufius Volusianus ?? – ?? Maxentius
• Publius Cornelius Anullinus ?? – ?? Maxentius
• Ruricius Pompeianus ?? – 312 Maxentius
• Julius Julianus 315 – 324 Licinius
• Junius Annius Bassus 318 – 331 Constantine I