Surname Deklerk (Deklerk 
) , throughout the world, is a rare last name. The cognomen Deklerk is characteristic of Namibia, where it is quite a rare surname, Bulgaria, where it is a rare surname, and Canada. Measured by absolute frequency, it is commonest in Namibia, the United States, and South Africa. Very seldom, Deklerk is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Deklerk | Germany, Namibia, Canada, United States, South Africa |