Family name Kayruz (Kayruz 
) , worldwide, is a very rare surname. The cognomen Kayruz is habitual in Venezuela, where it is a very rare surname, Spain, where it is an extremely rare surname, and the United States. Much less frequently, Kayruz is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kayruz | Venezuela, United States, Spain |