Surname Dumaro (Dumaro 
) , worldwide, is a very rare last name. The last name Dumaro is habitual in Philippines, where it is a very rare surname, Nigeria, where it is an extremely rare surname, and Venezuela. Measured by absolute frequency, it is commonest in Philippines, Nigeria, and India. More prevalently, Dumaro is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dumaro | Ethiopia, Philippines, Nigeria, Venezuela, India |