Worldwide, Gassiele-Ngatsiel (Gassiele-Ngatsiel 
) is an extremely rare unknown gender forename. Much more frequently, Gassiele-Ngatsiel is the last name as well as the forename. Parts of the name also exists independently as a last name Gassiele.
| VARIANT | COUNTRY |
|---|---|
| Gassiele-Ngatsiel | Democratic Republic of the Congo |