Around the globe, Gert-Hartwig (Gert-Hartwig 
) is an extremely rare unknown gender given name. Parts of the name also exists independently as a first name Gert, and a last name Hartwig.
| VARIANT | COUNTRY |
|---|---|
| Gert-Hartwig | New Zealand |
| gert-hartwig lescow DE (b. 1967) |
|