Last name Корьякин (Корьякин 
, Koriakin 
, Koryakin 
) , in all the world, is a rare cognomen. The cognomen Корьякин is characteristic of Russia, where it is a rare surname, Israel, and Lithuania. Measured by absolute frequency, it is the most numerous in Russia, the United States, and Israel.
| VARIANT | COUNTRY |
|---|---|
| Корьякин | Russia |
| Koriakin | Finland, Russia, Lithuania, Israel, United States |
| Koryakin | Finland, Russia, Bulgaria, Ukraine, United States |