Throughout the world, Fidélis (Fidélis 
) is an extremely rare masculine first name. More prevalently, Fidélis is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Fidélis | France, Brazil, Portugal, United States, South Africa |
| fidélis dalcin barbosa Brazilian writer, BR (b. 1915) |
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| fidélis cabral d'almada Minister of foreign affairs for Guinea-Bissau, GW (b. 1929) |
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| fidélis bittencourt Ph.D. Universidade Federal do Rio Grande do Sul 2005 |
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| fidélis de andrade botelho Brazilian politician, BR |
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| fidélis forbs Guinea-Bissau politician |
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| fidélis martins bastos BR |
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Ana, Thays, Tiago, Nelma, Neusa, Elida, Helem, Fabio, Marcos, Marcio, Milena, Miriam, Simone, Sergio, Amanda, Camila, Coline, Cleide, César, Karina, Kleber, Kátia, Thais, João, Joyce, Jorge, Rose, Lian, Luiz, Iris, Yann, Maria, Marco, Maisa, Micka, Aline, Pamela, Adão, Paulo, Renan, David, Diogo, Diego, Laís, Lucas, Luana, José, Jonas, Bruna, and Rafael