Family name Regidia (Regidia 
) , throughout the world, is an extremely rare last name. The last name Regidia is habitual in Latin America and the Caribbean, particularly Nicaragua, where it is a very rare surname. More frequently, Regidia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Regidia | Philippines, Brazil, United States, Nicaragua, Peru |