All around the world, Thelle-Barbeau (Thelle-Barbeau 
) is an extremely rare unknown gender given name. Much more frequently, Thelle-Barbeau is the last name as well as the forename. Parts of the name also exists independently as a last name Thelle, and a last name Barbeau.
| VARIANT | COUNTRY |
|---|---|
| Thelle-Barbeau | Canada, Norway |