Last name Cojj (Цой 
, Cojj) , around the world, is a common cognomen. The surname Cojj is characteristic of Central Asia, particularly Kazakhstan, where it is quite a common surname, Kyrgyzstan, and Uzbekistan (explore the name in all countries). Not in comparison with a country's population, this name is the most popular in Kazakhstan, Russia, and Uzbekistan. Much less frequently, Cojj is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Цой | Ukraine, Kazakhstan, Uzbekistan, Russia, Kyrgyzstan |