Dion may refer to: People. Ancient. Dion (mythology), a king in Laconia and husband of Iphitea, the daughter of Prognaus. Dion of Syracuse (408–354 BC), ancient Greek politician. Dio of Alexandria, first century BC, ancient Greek philosopher. Dion of Naples, an ancient Greek mathematician cited by Augustine of Hippo along with Adrastus of Cyzicus. Dio Chrysostom, also known as Dion Chrysostomos (c. 40 – c. 115), a Greek orator, writer, philosopher and historian. Cassius Dio, also known as Dion Kassios (c. AD 155 – 235), a Roman consul. Modern. Given name.
https://en.wikipedia.org/wiki/Dion