In all the world, Byron Dario (Byron Dario 
) is a very rare boy's first name. The given name Byron Dario is habitual in Latin America and the Caribbean, particularly Chile, where it is a very rare boy's name. Much less frequently, Byron Dario is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Byron Dario | Costa Rica, Chile, Ecuador |