Last name Кусис (Kousis 
, Kusis 
, Кусис 
) , all around the world, is a rare surname. The family name Кусис is characteristic of Greece, where it is quite a rare surname, Latvia, where it is a rare surname, and Kazakhstan. Not in comparison with a country's population, this name is the most popular in Greece, Kazakhstan, and the United States. Much less frequently, Кусис is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kousis | Canada, Australia, United States, India, Greece |
| Kusis | Georgia, Malaysia, Latvia, India, Canada |
| Кусис | Kazakhstan, Russia |