Cognomen Русико (Rusiko 
, Русико 
) , in all the world, is quite a rare family name. The cognomen Русико is habitual in Western Asia, particularly Georgia, where it is quite a common surname, and Israel, where it is a rare surname. Likewise, Русико is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rusiko | Israel, Georgia, Greece, United States, Italy |
| Русико | Kazakhstan, Russia |