Family name Gernaert (Gernaert 
) , globally, is a very rare last name. The cognomen Gernaert is habitual in Belgium, where it is a rare surname, Netherlands, and Argentina, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Gernaert | Germany, Argentina, Belgium, Netherlands |
| victor de spirlet - gernaert BE (b. 1870) |
|