Cognomen Gatcke (Gatcke 
, Гацке 
) , around the globe, is a rare last name. The family name Gatcke is characteristic of Lesotho, where it is quite a common surname, Kazakhstan, where it is a rare surname, and Belarus, where it is a very rare surname. In absolute terms, it is commonest in Lesotho, Kazakhstan, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Gatcke | South Africa, Lesotho, Spain, Canada, Brazil |
| Гацке | Kazakhstan, Russia, Ukraine, Belarus |