Surname Zablockij (Zablockij 
) , globally, is a very rare last name. The family name Zablockij is habitual in Lithuania, where it is quite a rare surname, Spain, where it is a very rare surname, and Canada, where it is an extremely rare surname. Measured by absolute frequency, the name is most common in Lithuania, Spain, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Zablockij | Canada, United States, Spain, Lithuania |