Surname روبيا (Rubia 
, Rupiah 
, Rubbia 
) , in all the world, is a common cognomen. The surname روبيا is characteristic of Philippines, where it is quite a rare surname, Honduras, and Kenya. Not in comparison with a country's population, it is the most numerous in Philippines, Indonesia, and Kenya. Likewise, روبيا is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rubia | Indonesia, Philippines, Spain, Brazil, India |
| Rupiah | Indonesia, Philippines, Malaysia, Tanzania |
| Rubbia | Brazil, India, Pakistan, Italy, United States |