Surname Januzzi (Januzzi 
) , all around the world, is a rare last name. The family name Januzzi is habitual in Brazil, where it is a rare surname, the United States, where it is a very rare surname, and France. Much less frequently, Januzzi is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Januzzi | France, United States, Brazil, Mexico, Venezuela |
| guaracy januzzi Brazilian association football player (1914-1978), BR (b. 1914) |
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| remo januzzi Brazilian association football player, BR (b. 1917) |
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| james januzzi researcher |
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| james l januzzi researcher (ORCID 0000-0002-8338-1798) |
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| mônica januzzi BR |
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Mr, Karl, Kris, Paul, Rosa, Rene, Remo, Rita, Ruth, Rute, Davi, Dawn, Duda, Déa, Gina, Leda, Lisa, Luis, Luiz, Léa, Jane, Jose, Beth, Ciro, Caue, Caio, Ms, Ana, Ary, Bob, Rod, Dea, Lea, Lia, Jay, Joe, Jony, Jim, Teo, Edy, Fã, Oto, Mary, Maã, Alex, Alan, Aldo, Anna, Tom, and Joao