Family name Преториус (Pretorius 
, Pretorious 
, Praetorius 
) , worldwide, is a common last name. The family name Преториус is characteristic of South Africa, where it is quite a common surname, Namibia, and Jersey. Not in comparison with a country's population, it most frequently occurs in South Africa, Namibia, and Germany.
| VARIANT | COUNTRY |
|---|---|
| Pretorius | Namibia, South Africa, Germany, United States, Zambia |
| Pretorious | United Kingdom, Canada, South Africa, Brazil, United States |
| Praetorius | United Kingdom, South Africa, Sweden, Germany, United States |
| Преториус | Russia |
Preetorius, and Prætorius