Surname Sosiko (Sosiko 
, Сосико 
) , worldwide, is a rare family name. The family name Sosiko is habitual in Western Asia, particularly Georgia, where it is quite a rare surname, Armenia, where it is a rare surname, and Israel, where it is a very rare surname. Likewise, Sosiko is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sosiko | Israel, Greece, Georgia |
| Сосико | Russia, Armenia |