Surname Castelnoble (Castelnoble 
) , across the world, is a very rare last name. The surname Castelnoble is habitual in Uruguay, where it is quite a rare surname, Australia, where it is a very rare surname, and Brazil, where it is an extremely rare surname. Very seldom, Castelnoble is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Castelnoble | Spain, Brazil, Uruguay, Australia |
| ángel castelnoble Uruguayan association football player, UY |
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