Surname Rujickaia (Ружицкая 
, Rujickaia 
) , in the entire world, is a rare cognomen. The family name Rujickaia is habitual in Belarus, where it is a rare surname, Kazakhstan, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Ружицкая | Kazakhstan, Belarus, Kyrgyzstan, Russia, Ukraine |
| Rujickaia | Georgia |