Surname Каяни (Kayani 
, Каяни 
) , around the globe, is a common cognomen. The last name Каяни is characteristic of Western Asia, particularly Bahrain, where it is quite a common surname, United Arab Emirates, and Saudi Arabia, where it is quite a rare surname. Not in comparison with a country's population, the name is most common in Pakistan, Saudi Arabia, and United Arab Emirates. Very seldom, Каяни is the forename as well as the last name.