Surname Сейфер (Seifer 
, Seyfer 
, Сейфер 
) , globally, is quite a rare family name. The surname Сейфер is characteristic of Germany, where it is quite a rare surname, Czechia, where it is a rare surname, and Lithuania. Measured by absolute frequency, this name is the most popular in Germany, the United States, and Argentina. Much less frequently, Сейфер is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Seifer | Germany, Argentina, Brazil, Czechia, United States |
| Seyfer | Myanmar, Germany, Canada, Argentina, United States |
| Сейфер | Russia, Ukraine |