Last name Fidélis (Fidélis 
) , throughout the world, is a very rare cognomen. The family name Fidélis is habitual in Portugal, where it is a very rare surname, Brazil, and France, where it is an extremely rare surname. Very seldom, Fidélis is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Fidélis | South Africa, Brazil, Portugal, United States, France |
|
fábio fidélis Brazilian association football player, BR (b. 1986) |
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| josé maria fidélis Brazilian footballer (1944-2012), BR (b. 1944) |
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| arestide fidélis Brazilian politician, BR (b. 1963) |
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| teresa fidélis researcher, ORCID id # 0000-0002-6594-2571 |
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| philipe fidélis footballer, BR (b. 1989) |
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| nilson fidélis 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