In all the world, Kiena (Къна 
, Kiena 
) is quite a rare feminine first name. The first name Kiena is habitual in Bulgaria, where it is quite a common female name, the United States, where it is an extremely rare largely girly, but infrequently male name, and India, where it is an extremely rare largely male, but seldom girly name. Also, Kiena is the last name as well as the forename.