Gender Masculine Usage Ancient Greek, English Scripts Δίων(Ancient Greek) Pronounced Pron. DEE-ahn(English) Meaning & History Short form of Dionysios and other Greek names beginning with the Greek element Διός (Dios) meaning "of Zeus". This was the name of a 4th-century BC tyrant of Syracuse. It has been used as an American given name since the middle of the 20th century.