Throughout the world, Diar (Diar , دیار , Диар ) is a common unisex forename. The first name Diar is habitual in Iraq, where it is quite a rare principally boy's, but very infrequently feminine name, Albania, where it is quite a rare masculine name, and Slovenia. Measured by absolute frequency, this name is the most popular in Indonesia, India, and Iraq. Much less frequently, Diar is the last name as well as the forename.