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Across the world, Castellanus (Castillan
, Castellan
, Castelan
) is a rare gender-neutral first name. The forename Castellanus is habitual in the Democratic Republic of the Congo, where it is a rare female name, and Italy, where it is a rare male name. Much more prevalently, Castellanus is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Castillan | Philippines, Canada, France, United States, Democratic Republic of the Congo |
| Castellan, Castelan | Brazil, Italy, Mexico, France, United States |
| Castellanus | United States |
Castigliano, and Chatelaine
Castellanus is also a name for the fictitious and mythical characters: .