Itylus

thumb|Aëdon slays Itys, illustration from a Greek vase by JE Harrison and DS MacColl (1894).

In Greek mythology, Itylus () is the young son of Queen Aëdon and King Zethus of Thebes. Although the various versions of Itylus' tale vary greatly, they all share the theme of an only child being killed at the hands of its mother who was trying to get revenge against someone else.