Last name Пајчин (Пајчин 
) , globally, is a very rare cognomen. The surname Пајчин is habitual in Southern Europe, particularly Serbia, where it is quite a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Пајчин | Serbia |
| ксенија пајчин Serbian singer and dancer, RS (b. 1977) |
|