Around the globe, Ranulfa (Ranulfa 
) is quite a rare female first name. The forename Ranulfa is characteristic of Philippines, where it is a rare female name, Mexico, and Nicaragua. Measured by absolute frequency, it most frequently occurs in Mexico, Philippines, and Brazil. Also, Ranulfa is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Ranulfa | Peru, Philippines, Argentina, Brazil, Mexico |