Last name Couailler-Balboa (Couailler-Balboa 
) , worldwide, is an extremely rare cognomen. The last name Couailler-Balboa is habitual in Western Europe, particularly France, where it is an extremely rare surname. Parts of the name also exists independently as a last name Couailler, and a last name Balboa.
| VARIANT | COUNTRY |
|---|---|
| Couailler-Balboa | France |