Surname Белтиуков (Белтиуков 
, Beltiukov 
) , around the world, is a very rare cognomen. The family name Белтиуков is characteristic of Estonia, where it is a rare surname, and Russia, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Белтиуков | Russia |
| Beltiukov | Russia, Estonia |