Family name Tjaart (Tjaart 
) , globally, is an extremely rare last name. The family name Tjaart is characteristic of Chile, where it is an extremely rare surname, and South Africa. Predominantly, Tjaart is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tjaart | Namibia, South Africa, Australia, United States, Netherlands |
Kleu, Plessis, Grobler, Erasmus, Henning, Viljoen, Vorster, Olivier, Sauerman, Schoeman, Broodryk, Blignaut, Prinsloo, Willemse, Steenkamp, Steenekamp, Swanepoel, Pretorius, Badenhorst, Du Plessis, Oosthuizen, Labuschagne, Booyens, Barnard, Coetsee, Coetzee, Louw, Walt, Merwe, Meyer, Steyn, Smith, Botha, Kotze, Roets, Linde, Van Der Walt, Jager, Cronje, Benade, Bester, Kruger, Pelser, Venter, Fourie, Myburgh, Strydom, Schutte, Weyer, and Van Der Merwe