Family name Protasi (Protasi 
, Protasis 
) , globally, is quite a rare last name. The cognomen Protasi is habitual in Tanzania, where it is quite a rare surname, Uruguay, where it is a rare surname, and Italy. Not in comparison with a country's population, it is commonest in Tanzania, Italy, and Argentina. Very seldom, Protasi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Protasi | Italy, Uruguay, United States, Tanzania, Argentina |
| Protasis | New Zealand, India, United States |
| protasi de cuixà (b. 900) |
|
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| gian domenico protasi Italian politician, IT (b. 1810) |
|
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| feliciano protasi researcher |
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Sara, James, Jason, Elisa, Melody, Meghan, Sabina, Simone, Solana, Andrea, Arrigo, Carlos, Carmen, Pamela, Pietro, Renato, Regina, Rhoida, Denise, Danilo, Davide, Gloria, Lindy, Donna, Davis, David, Alex, Anna, Aron, Pius, Roze, Ryan, Luca, Jose, Juan, Nora, Levina, Ivan, Mario, Marco, Mauro, Mirko, Alice, Carla, Katia, Paola, Paolo, Debra, Maria, and Jacopo