Family name Bitser (Bitser 
, Бицер 
) , around the world, is a very rare cognomen. The cognomen Bitser is characteristic of Belarus, where it is a rare surname, Georgia, where it is a very rare surname, and Russia. Measured by absolute frequency, it is the most numerous in Russia, Belarus, and Malaysia.
| VARIANT | COUNTRY |
|---|---|
| Bitser | Russia, Georgia, Malaysia, Philippines |
| Бицер | Russia, Belarus |