Cognomen Шеынин (Шеынин 
, Sheynin 
) , in the world, is a rare family name. The last name Шеынин is characteristic of Estonia, where it is a rare surname, Bulgaria, and New Zealand, where it is a very rare surname. Measured by absolute frequency, this name is the most popular in the United States, Russia, and Bulgaria.
| VARIANT | COUNTRY |
|---|---|
| Шеынин | Russia |
| Sheynin | Germany, Russia, Estonia, Bulgaria, United States |