Family name Cosmelli (Cosmelli 
) , globally, is a rare cognomen. The last name Cosmelli is habitual in Chile, where it is quite a rare surname, Portugal, where it is a rare surname, and Italy. Not in comparison with a country's population, it is the most numerous in Italy, Chile, and Argentina. Very seldom, Cosmelli is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cosmelli | Argentina, Brazil, Italy, Chile, Portugal |
|
massimo cosmelli Italian basketball player, IT (b. 1943) |
|
|
carlo cosmelli Italian academic, research fellow and science communicator, IT (b. 1950) |
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Mr, Marco, Marã, Maura, Melii, Simon, Sofia, Ariel, Adela, Carlo, Carla, Bruno, Patty, Paula, Paolo, Pedro, Renzo, Dario, David, Diego, Laura, León, Mario, Maria, Flã, Hugo, Ms, Ana, Pia, Vã, Sara, Sofi, Alex, Aldo, Raul, Rosa, Lucas, Davi, Gino, Leon, Luca, Luis, Jose, Joao, Juan, Nuno, Elsa, Emma, Dora, and Luisa