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Globally, دياو (Diao , Diaw , دياو) is quite a common predominantly male, but scarcely female first name. The first name دياو is characteristic of Guam, where it is quite a common masculine name, Senegal, where it is quite a common principally masculine, but scarcely feminine name, and Gambia, where it is quite a rare masculine name. Not in comparison with a country's population, it is commonest in Senegal, China, and Gambia. More prevalently, دياو is the last name as well as the forename.
دياو is also a name for the fictitious and mythical characters: .