Last name Iablonskaia (Яблонская 
, Iablonskaia 
) , all around the world, is quite a rare cognomen. The cognomen Iablonskaia is habitual in Moldova, where it is quite a rare surname, Belarus, and Kazakhstan. In absolute terms, it is commonest in Russia, Belarus, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Яблонская | Kazakhstan, Russia, Kyrgyzstan, Belarus, Moldova |
| Iablonskaia | India, Spain, Georgia, Bulgaria |