Claudia Octavia (Classical Latin: CLAVDIA•OCTAVIA) (late AD 39 or early AD 40 – 8 June AD 62) was an Empress of Rome. She was a great-niece of the Emperor Tiberius, paternal first cousin of the Emperor Caligula, daughter of the Emperor Claudius, and stepsister and first wife of the Emperor Nero. Asteroid598 Octavia is named after her.