In the entire world, Кайхан (Kaihan 
, Kajhan 
, Kaikhan 
) is quite a rare boy's given name. The given name Кайхан is characteristic of Afghanistan, where it is quite a rare masculine name, Iraq, where it is a rare male name, and India, where it is an extremely rare unisex name. Very seldom, Кайхан is the last name as well as the forename.