Sextus Julius may refer to:
Any Sextus Julius Caesar (disambiguation) Sextus Julius Frontinus, better known as Frontinus, author of treatises on aqueducts and military tactics Sextus Julius Major, proconsul of Africa AD 141–142 Sextus Julius Severus, a Roman governor in the 2nd century AD Sextus Julius Saturninus, praenomen possibly Gaius, one of the usurpers of Gallienus Sextus Julius Africanus, a Christian traveller and historian of the late 2nd and early 3rd century AD