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Cognomen Kayzer (Kayzer
, Кайзер
, Каызер
) , all around the world, is quite a rare family name. The surname Kayzer is habitual in Kazakhstan, where it is quite a rare surname, Russia, where it is a rare surname, and Bulgaria. Measured by absolute frequency, it is commonest in Russia, Kazakhstan, and Ukraine. Very seldom, Kayzer is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kayzer | Brazil, Poland, Bulgaria, Algeria, South Africa |
| Кайзер | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| Каызер | Russia |