Cognomen Dumana (Dumana 
) , all over the world, is a rare last name. The last name Dumana is habitual in Philippines, where it is a rare surname, Poland, and Romania. Not in comparison with a country's population, it is commonest in India, Philippines, and Poland. Very seldom, Dumana is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dumana | Romania, South Africa, Philippines, Poland, India |