Surname Pigorev (Пигорев 
, Pigorev 
) , in the world, is a rare cognomen. The family name Pigorev is characteristic of Russia, where it is a rare surname, Belarus, and Kazakhstan. Much less frequently, Pigorev is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Пигорев | Kazakhstan, Russia, Ukraine, Belarus |
| Pigorev | Kazakhstan, Russia, United States, Belarus |