Family name Герхард-Хардинг (Герхард-Хардинг 
) , in the world, is an extremely rare surname. Much more frequently, Герхард-Хардинг is the forename as well as the last name. Parts of the name also exists independently as a first name Герхард, and a last name Хардинг.
| VARIANT | COUNTRY |
|---|---|
| Герхард-Хардинг | Russia |