Globally, Кириаку (Kyriakou 
, Kiriakou , Кириаку 
) is a rare largely female, but seldom masculine forename. The first name Кириаку is characteristic of Greece, where it is quite a rare largely girly, but uncommonly masculine name, the United Kingdom, where it is a very rare largely female, but seldom boy's name, and South Africa, where it is a very rare feminine name. Predominantly, Кириаку is the last name as well as the forename.