Surname Косашвілі (Косашвілі 
, Kosashvili 
) , in the entire world, is a very rare last name. The last name Косашвілі is habitual in Israel, where it is a rare surname, Georgia, and Ukraine, where it is an extremely rare surname. Not in comparison with a country's population, this name is the most popular in Israel, Georgia, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Косашвілі | Ukraine |
| Kosashvili | Canada, Russia, United States, Georgia, Israel |