All over the world, Хайян (Hayyan 
, Hajjan 
, Хайян 
) is quite a rare unisex forename. The first name Хайян is characteristic of Western Asia, particularly Syria, where it is quite a rare masculine name, Oman, where it is a rare boy's name, and United Arab Emirates. Not in comparison with a country's population, it most frequently occurs in India, Syria, and Indonesia. Also, Хайян is the last name as well as the forename.