Family name Felicíssimo (Felicissimo 
, Felicíssimo ) , globally, is quite a rare last name. The last name Felicíssimo is habitual in Portugal, where it is quite a rare surname, Brazil, where it is a rare surname, and Sweden. Not in comparison with a country's population, the name is most common in Brazil, Portugal, and Italy. Likewise, Felicíssimo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Felicissimo | Portugal, Italy, Australia, United States, Brazil |
| Felicíssimo | Portugal, Brazil |
Felicisim, and Felicissimus
| felicíssimo manuel de azevedo Brazilian journalist (1823-1905), BR (b. 1823) |
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| felicíssimo do espírito santo Brazilian politician, BR (b. 1835) |
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| angelo felicíssimo Cocreator of Mapa do C. G. G. do E. S. P. - Folha de S. Paulo |
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| kenya felicíssimo researcher |
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| viviane felicíssimo Brazilian taekwondoin, BR |
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Ana, Danieli, Eduardo, Viviane, Fabiana, Flávio, Angelica, António, Cristina, Bernardo, Priscila, Henrique, Fernando, Fernanda, Patrícia, Guilherme, Jefferson, Victória, Ricardo, Vinícius, Raylson, Monique, Pedro, Laura, Lucas, João, Mateus, Miguel, Simone, Carina, Camila, Brenda, Rafael, Júlia, Thiego, Nayara, Elaine, Filipa, Fábio, Antonio, and João Pedro