Surname Петкевичус (Петкевичус 
) , across the world, is a very rare cognomen. The cognomen Петкевичус is habitual in Kazakhstan, where it is a very rare surname, Ukraine, where it is an extremely rare surname, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Петкевичус | Kazakhstan, Russia, Ukraine |
Petkevichus, and Petkevychus