Surname จาโคบัส (Jacobus 
, จาโคบัส 
) , in the world, is quite a common last name. The cognomen จาโคบัส is characteristic of Curacao, where it is quite a common surname, Namibia, where it is quite a rare surname, and Mauritius. In absolute terms, it is the most numerous in Indonesia, the United States, and South Africa. More frequently, จาโคบัส is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jacobus | South Africa, United States, Netherlands, Indonesia, Namibia |
| จาโคบัส | Thailand |