Last name Prokopovicius (Prokopovicius 
) , in all the world, is a very rare cognomen. The cognomen Prokopovicius is habitual in Northern Europe, particularly Lithuania, where it is quite a rare surname, Estonia, where it is a rare surname, and the United Kingdom, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Prokopovicius | Lithuania, United Kingdom, Estonia |