Family name โรอา (Roa 
, Roah 
, โรอา 
) , throughout the world, is a widespread surname. The surname โรอา is characteristic of Latin America and the Caribbean, particularly Paraguay, where it is a common surname, Colombia, and the Dominican Republic, where it is quite a common surname (explore the name in all countries). Measured by absolute frequency, the name is most common in Colombia, Philippines, and Mexico. Very seldom, โรอา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Roa | Colombia, Paraguay, Philippines, Venezuela, Mexico |
| Roah | Egypt, Brazil, Pakistan, United States, Indonesia |
| โรอา | Thailand |