Julia Soaemias Bassiana (180 – March 11, 222) is the mother of Roman Emperor Elagabalus and rules over the Roman Empire during the minority of her son's rule.

Julia is the daughter of Julia Maesa, a powerful Roman woman of Syrian origin, and Syrian noble Julius Avitus.

Born and raised in Emesa (modern Homs, Syria), Julia is a niece of empress Julia Domna and emperor Septimius Severus and a sister of Julia Avita Mamaea.

Her husband is Sextus Varius Marcellus, a Syrian Roman of an Equestrian family.

As members of the imperial Roman family of the Severan dynasty, they live in Rome, where their numerous children are born.