Cognomen Крупениа (Крупениа 
, Krupenia 
, Krupenya 
) , around the world, is a rare last name. The surname Крупениа is habitual in Estonia, where it is a rare surname, Romania, and Russia, where it is a very rare surname. Measured by absolute frequency, the name is most common in Russia, the United States, and Romania.
| VARIANT | COUNTRY |
|---|---|
| Крупениа | Russia |
| Krupenia | Australia, Romania, South Africa, Georgia, United States |
| Krupenya | United Kingdom, Estonia, Russia, Germany, United States |