Family name Proenza (Proenza 
) , in the world, is quite a rare last name. The cognomen Proenza is habitual in Latin America and the Caribbean, particularly Cuba, where it is quite a rare surname, Uruguay, and Argentina, where it is a rare surname. In absolute terms, it is the most numerous in Cuba, the United States, and Argentina. Much less frequently, Proenza is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Proenza | Uruguay, Cuba, Argentina, United States, Colombia |
| heriberto pérez proenza Spanish journalist, ES (b. 1883) |
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bill proenza American meteorologist (b. 1944) |
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| luis m. proenza American academic, US (b. 1943) |
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| ricardo leyva proenza chess player (b. 1969) |
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| yaicel g proenza researcher (ORCID 0000-0003-3894-8326) |
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| catherine proenza researcher |
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| joaquín a. proenza researcher ORCID ID = 0000-0001-8738-7305 |
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| reynaldo proenza Cuban shot putter, CU (b. 1984) |
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| pablo proenza |
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Mr, Rosa, Remi, Ryan, Dina, Lene, Luci, Luis, Lynn, Jose, Joan, Joel, Juan, Tina, Nora, Elsa, Elba, Eder, Emma, Hary, Hugo, Ines, Raul, Isis, Rain, Paul, Ms, Al, Ed, Mel, Ana, Ann, Ada, Bec, Rey, Luz, Joe, Jen, Eva, Mary, Sara, Alex, Andy, Anne, Adam, Aida, Bill, Pgeo, and Ilda