Family name Bertrond-Guelor (Bertrond-Guelor 
) , throughout the world, is an extremely rare cognomen. Predominantly, Bertrond-Guelor is the forename as well as the last name. Parts of the name also exists independently as a first name Bertrond, and a first name Guelor.
| VARIANT | COUNTRY |
|---|---|
| Bertrond-Guelor | Democratic Republic of the Congo |