Cognomen حیان (Hayyan 
, حیان) , in the entire world, is quite a rare family name. The last name حیان is habitual in Aland Islands, where it is quite a common surname, Bahrain, where it is quite a rare surname, and Malaysia. Not in comparison with a country's population, it is commonest in Malaysia, Indonesia, and Saudi Arabia. Likewise, حیان is the forename as well as the last name.