Throughout the world, ハイアット (Hyatt 
, Hiatt 
, ハイアット) is a rare epicene first name. The first name ハイアット is characteristic of United Arab Emirates, where it is a rare girly name, Saudi Arabia, and the United States, where it is a very rare mostly male, but infrequently girly name. In absolute terms, it is commonest in the United States, Saudi Arabia, and Egypt. Much more frequently, ハイアット is the last name as well as the forename.