Cognomen Дильхан (Dilhan 
, Дильхан 
) , in the entire world, is quite a common last name. The last name Дильхан is characteristic of Sri Lanka, where it is quite a common surname, Qatar, where it is a rare surname, and United Arab Emirates. Not in comparison with a country's population, the name is most common in Sri Lanka, France, and United Arab Emirates. Likewise, Дильхан is the forename as well as the last name.