Surname Kuvshynov (Кувшинов 
, Kuvshynov 
) , across the world, is a common cognomen. The surname Kuvshynov is characteristic of Russia, where it is quite a rare surname, Kazakhstan, and Ukraine.
| VARIANT | COUNTRY |
|---|---|
| Кувшинов | Ukraine, Kazakhstan, Russia, Belarus, Kyrgyzstan |
| Kuvshynov | Ukraine, Germany, Romania, United States |