Family name Krepin (Krepin 
, Крепин 
) , globally, is a very rare last name. The last name Krepin is characteristic of Russia, where it is a very rare surname, Kazakhstan, and Costa Rica. Measured by absolute frequency, this name is the most popular in Russia, the United States, and Kazakhstan. Much less frequently, Krepin is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Krepin | Costa Rica, India, Russia, United States |
| Крепин | Kazakhstan, Russia |