Last name Saiduev (Saiduev 
, Сайдуев 
) , in the world, is a very rare cognomen. The last name Saiduev is habitual in Lithuania, where it is a rare surname, Kyrgyzstan, and Russia, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Saiduev | Russia, Lithuania |
| Сайдуев | Kyrgyzstan, Russia |