Surname Соколай (Sokolaj 
, Соколай 
, Sokolay 
) , in the entire world, is a rare cognomen. The last name Соколай is characteristic of Southern Europe, particularly Albania, where it is quite a common surname, Croatia, where it is a rare surname, and Greece. Not in comparison with a country's population, the name is most common in Albania, Russia, and Croatia. Very seldom, Соколай is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sokolaj | Greece, Albania, United States, Switzerland, Croatia |
| Соколай | Kazakhstan, Russia, Ukraine |
| Sokolay | United States, Ukraine, Canada |