Surname Baryolo (Baryolo 
) , throughout the world, is an extremely rare cognomen. The cognomen Baryolo is characteristic of Costa Rica, where it is a very rare surname, and the United States, where it is an extremely rare surname. Likewise, Baryolo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Baryolo | Costa Rica, India, United States |