Surname Rubiki (Rubiki 
, Рубики 
) , all over the world, is quite a rare cognomen. The last name Rubiki is habitual in Armenia, where it is a common surname, Tanzania, where it is a very rare surname, and Brazil, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Rubiki | Tanzania, India, Brazil, Georgia |
| Рубики | Armenia |