Cognomen Γλυκός (Glykos 
, Γλυκός) , around the world, is a rare family name. The cognomen Γλυκός is characteristic of Greece, where it is quite a rare surname, France, where it is a very rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Γλυκός is the forename as well as the last name.