>
Surname Kayhan (Kayhan
, كيهان
, کیهان
) , around the world, is a common family name. The family name Kayhan is habitual in Turkey, where it is quite a common surname, Afghanistan, where it is quite a rare surname, and Sweden. Measured by absolute frequency, the name is most common in Turkey, Afghanistan, and Iran. Also, Kayhan is the forename as well as the last name.