Cognomen Пайфер (Pajfer 
, Pifer 
, Paifer 
) , in the entire world, is quite a rare family name. The surname Пайфер is characteristic of Bermuda, where it is quite a common surname, the United States, where it is quite a rare surname, and Serbia. Measured by absolute frequency, this name is the most popular in the United States, Brazil, and Canada. Much less frequently, Пайфер is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Pajfer | Serbia, Poland, United States |
| Pifer | Brazil, Bulgaria, Canada, United States, Germany |
| Paifer | Brazil, Spain, Kazakhstan, Argentina, Germany |
| Пайфер | Russia, Kazakhstan, Ukraine |