Family name Protsaylo (Protsaylo 
) , all over the world, is an extremely rare last name. The cognomen Protsaylo is habitual in Italy, where it is an extremely rare surname, Ukraine, and the United States. Much less frequently, Protsaylo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Protsaylo | Italy, Ukraine, United States |