Globally, Kys (Koss 
, Kys 
) is a rare primarily masculine, but very infrequently girly first name. The first name Kys is characteristic of the Democratic Republic of the Congo, where it is a rare boy's name, Algeria, where it is a very rare masculine name, and the United States, where it is an extremely rare unisex name. More frequently, Kys is the last name as well as the forename.