All around the world, Rubertus (Rubertus 
) is a rare epicene first name. The given name Rubertus is characteristic of South-eastern Asia, particularly Indonesia, where it is a very rare epicene name. Also, Rubertus is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Rubertus | Switzerland, Albania, United States, Indonesia, Germany |
| rubertus jacob clevering Dutch politician (1914-2013), NL (b. 1914) |
|