Cognomen Gvozdikov (Гвоздиков 
, Gvozdikov 
) , in the world, is quite a rare surname. The last name Gvozdikov is characteristic of Russia, where it is a rare surname, Kazakhstan, and Lithuania. In absolute terms, it is the most numerous in Russia, Kazakhstan, and Ukraine.
| VARIANT | COUNTRY |
|---|---|
| Гвоздиков | Kazakhstan, Russia, Belarus, United States, Ukraine |
| Gvozdikov | Russia, Estonia, United States, Ukraine, Lithuania |