In the entire world, Diau (Dlo 
, Diau 
) is quite a rare mostly male, but seldom girly given name. The first name Diau is characteristic of Iraq, where it is quite a rare dominantly masculine, but seldom girly name, Syria, where it is quite a rare gender-neutral name, and South Africa, where it is quite a rare male name. Likewise, Diau is the last name as well as the forename.