Across the world, Fontenelle (Fontenelle 
, Fontanelle 
) is a very rare epicene first name. The first name Fontenelle is habitual in France, where it is a very rare masculine name, and Brazil, where it is an extremely rare girly name. Predominantly, Fontenelle is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Fontenelle | Belgium, Saint Lucia, Brazil, France, United States |
| Fontanelle | United Kingdom, Brazil, France, Italy, United States |
| granges de fontenelle (b. 1769) |
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| mahaut de la fontenelle Peerage person ID=393178 |
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| wando of fontenelle abbot and saint |
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