Family name Domianus (Domianus 
) , in the entire world, is a very rare last name. The surname Domianus is characteristic of Malaysia, where it is a very rare surname, Germany, and the United States, where it is an extremely rare surname. More prevalently, Domianus is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Domianus | United States, Germany, Malaysia, Indonesia |