Surname Rigia (Rigia 
) , throughout the world, is quite a rare last name. The last name Rigia is characteristic of India, where it is a very rare surname, the United States, where it is an extremely rare surname, and Argentina. Much less frequently, Rigia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rigia | South Africa, United States, India, Brazil, Democratic Republic of the Congo |