Note: Statue of Agricola at Bath cropped // Bust of Gaius Iulius Caesar in Naples // Bust of Gaius Iulius Caesar in Naples
- Gaius Julius Lacer, an architect during the reign of Trajan. His name is inscribed upon the famous bridge over the Tagus, which he built, and which still stands.
- Gaius Julius Servilius Ursus Servianus, the brother-in-law of Hadrian, and consul in AD 107, 111, and 136.
- Gaius Julius Africanus, grandson of the orator, consul suffectus in AD 108.
- Gaius Julius Antiochus Epiphanes Philopappus, a prince of Commagene, consul suffectus in AD 109.
- Julius Severianus, a rhetorician in the time of Hadrian, and the author of Syntomata, or Praecepta Artis Rhetoricae.
- Sextus Julius Severus, governor of Britannia and Bithynia under Hadrian, sent to Judaea to suppress the Bar Kokhba revolt.
- Julius Aquila, a jurist, probably of the late 2nd century.
- Lucius Julius Aquila, author of de Etrusca disciplina.
- Julius Vestinus, a sophist, who made an abridgement of the lexicon of Pamphilus.
- Julius Pollux, a Greek sophist and grammarian, and a teacher of grammar and rhetoric at Athens during the reign of Commodus.
- Julius Titianus, a scholar and writer of the late 2nd century, and the father of the rhetorician Titianus.
- Julius Titianus, a rhetorician, and tutor of the younger Maximinus.
- Julius Solon, purchased the rank of senator under Commodus, but put to death by Septimius Severus, at the commencement of his reign.
- Julius Crispus, a distinguished tribune of the Praetorian Guard, capriciously put to death by Septimius Severus during the Parthian War in AD 199.
- Julius Rufus, a nobilis, slain by the emperor Severus.
- Julius Frontinus, a Latin rhetorician, who gave instruction in his art to Severus Alexander.
- Julius Granianus, a rhetorician at the time of Severus Alexander, who was instructed by him in rhetoric.
- Julius Paulus, a distinguished jurist and prolific writer on the law, during the early 3rd century.
- Julius Martialis, joined the conspiracy against the emperor Caracalla, whom he killed with his own hand, before being slain by the emperor's Scythian guards.
- Sextus Julius Africanus, a chronographer and Christian writer of the early 3rd century.
- Gaius Julius Solinus, a grammarian and geographer, probably of the early 3rd century.
- Julia Aquilia Severa, a vestal virgin, taken as a wife by the emperor Elagabalus.
- Gaius Julius Verus Maximinus, surnamed Thrax, emperor from AD 235 to 238.
- Marcus Julius Philippus, emperor from AD 244 to 249.
- Marcus Julius M. f. Philippus, emperor with his father from AD 247 to 249.
- Gaius Julius Saturninus, a name assigned to the younger Marcus Julius Philippus by Aurelius Victor.
- Quintus Julius Gallienus, a son of the emperor Gallienus, who probably predeceased his father.
- Julius Aterianus, wrote a history of Victorinus, and perhaps others of the Thirty Tyrants.
- Julius Capitolinus, the supposed author of nine biographies in the Historia Augusta.
- Flavius Julius Crispus, son of the emperor Constantine I; a distinguished soldier, put to death at the instigation of his stepmother in AD 326.
- Julius Firmicus Maternus, a 4th-century astrologer and writer on the subject of profane religions.
- Julius I, Pope from AD 337 to 352.
- Julius Obsequens, perhaps of the 4th century, an author of a tract known as De Prodigiis, or Prodigiorum Libellus, describing various prodigies and phenomena found in the works of earlier writers.
- Gaius Julius Victor, a rhetorician of the 4th century.
- Julius Valerius, a historian, probably of the 4th century.
- Julius Ausonius, an eminent physician, and praefectus of Illyricum under the emperor Valentinian I.
- (Julius) Ausonius, also called Decimus Magnus Ausonius, son of the physician, a celebrated poet.
- Julia Dryadia, daughter of the physician Julius Ausonius.
- Julius Rufinianus, a Latin rhetorician of uncertain date, and the author of a treatise called De Figuris Sententiarum et Elocutionis.
- Flavius Julius Valens, emperor from AD 364 to 378.
- Julius Paris, author of an epitome of Valerius Maximus, written perhaps in the 4th or 5th century.
Fifth century and after
- Flavius Julius Valerius Majorianus, emperor from AD 457 to 461.
- Julius Nepos, emperor in AD 474 and 475.
- Julius Exsuperantius, a late Roman historian, probably of the 5th or 6th century; his tract, De Marii, Lepidi, ac Sertorii bellis civilibus may have been abridged from the histories of Sallustius.
- Claudius Julius or Joläus, a Greek historian of unknown date, wrote works on Phoenicia and the Peloponnesus.
- Julius Celsus, a scholar at Constantinople in the 7th century, who made a recension of the text of Caesar's commentaries.