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 | Germany, Namibia, South Africa, Zambia, United States |
| Pretorious | United Kingdom, South Africa, United States, Canada, Brazil |
| Praetorius | Germany, Sweden, United Kingdom, South Africa, United States |
| Преториус | Russia |
Preetorius, and Prætorius