Cognomen Арпа (Арпа 
) , in all the world, is a very rare last name. The cognomen Арпа is characteristic of Kyrgyzstan, where it is a very rare surname, Ukraine, and Russia, where it is an extremely rare surname. More prevalently, Арпа is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Арпа | Kyrgyzstan, Armenia, Ukraine, Russia |