Surname Pacyn (Pacyn 
, Пацын 
) , all around the world, is a very rare last name. The last name Pacyn is characteristic of Kazakhstan, where it is a very rare surname, Russia, and the United States, where it is an extremely rare surname. More prevalently, Pacyn is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Pacyn | United States, Democratic Republic of the Congo |
| Пацын | Russia, Kazakhstan |