3rd-century Romans

Syrian saint

Presbyter of Caesarea

Septimius Vaballathus (; ; – ) was emperor of the Palmyrene Empire centred at Palmyra in the region of Syria.

Censorinus () was a Roman grammarian and miscellaneous writer.

Catholic bishop and saint

Bishop of Byzantium and the first bishop of Constantinople

Fermin (also Firmin, from Latin Firminus; Spanish Fermín) was a holy man and martyr, traditionally venerated as the co-patron saint of Navarre, Spain. He was born in the mid 3rd century, so his death may be associated with the Diocletianic Persecution (303).

brother of Roman emperor Philip the Arab

Amelius Gentilianus (; ), was a Neoplatonist philosopher and writer of the second half of the 3rd century.

son of Roman Emperor Maxentius (died 309)

Bishop of Laodicea

Hripsime (; died ) was a martyr of Roman origin. The story of her martyrdom is connected with the traditional account of the Christianization of Armenia. She and her companions in martyrdom are venerated as some of the first Christian martyrs of Armenia. Saint Hripsime Church in Vagharshapat, where she is buried, is one of Armenia's most visited shrines.

3rd century Roman jurist

Roman official, soldier and praetorian prefect (190-243)

priest and saint

semi-legendary child-martyr

Roman consul and historian (c.160 – c.230)

Christian martyr

son of Roman Emperor Maximinus Thrax

Egyptian priest (4th century AD)

Roman martyr

brother of Roman emperor Gallienus (died 268)

Castulus (died 286) is venerated as a martyr and saint. According to tradition, he was the chamberlain (or officer, valet) of Emperor Diocletian and the husband of Irene of Rome.

charioteer and lover of Roman Emperor Elagabalus (died 222)

3rd century Roman imperial usurper

Egyptian saint

Christian martyr

Bishop of Byzantium from 198 to 211

3rd century Roman general and praetorian prefect

Roman noble and consul (died 205)

Christian apologist

Bishop of Byzantium from 230 to 237

Syrian-born Roman nobleman and politician (c. 165 – c. 215)

brother of emperor Septimus Severus (c.143-c.204)

Christian saints and martyrs

confidant of Roman emperor Septimius Severus

Bishop of Byzantium from 272 to 284

Mother of Saint Basil the Elder

3rd century Alexandrian Platonist philosopher

Late 3rd-century bishop and Christian martyr

bishop

3rd century Greco-Roman historian

3rd century Carthaginian Latin author and Christian saint

Eumenius (Greek: Εύμένιος; born c. 260 CE at the latest, more probably between 230 and 240 CE), was one of the Ancient Roman panegyrists and author of a speech transmitted in the collection of the Panegyrici Latini (Pan. Lat. IX).

Syrian-born Roman military commander, senator and governor (c. 155-217)

Roman grammarian

Roman politician, consul 317 AD

Roman consul in 196 AD

Roman governor

martyred during Diocletian's persecution, 303-304

grandson of Roman emperor Marcus Aurelius

Christian martyr

Marcus Aurelius Nigrinianus, known in English as Nigrinian (d. 284/285) was a grandson of Roman emperor Carus who died young and was deified by Carus' eldest son Carinus. He was the last family member of an emperor to be deified posthumously.

3rd-century Greek historian, orator, rhetorician and sophist

Roman Consul (247-330)

Roman consul

late 3rd-century Roman senator and consul suffectus

Ancient Roman jurist

late 2nd century Roman senator and consul

Catholic saint from the 3rd century AD