Cognomen Thelle-Barbeau (Thelle-Barbeau 
) , all around the world, is an extremely rare surname. The last name Thelle-Barbeau is characteristic of Norway, where it is a very rare surname, and Canada, where it is an extremely rare surname. Parts of the name also exists independently as a last name Thelle, and a last name Barbeau.
| VARIANT | COUNTRY |
|---|---|
| Thelle-Barbeau | Norway, Canada |