Cognomen Portuondo (Portuondo 
) , across the world, is quite a rare surname. The surname Portuondo is characteristic of Latin America and the Caribbean, particularly Cuba, where it is quite a rare surname, Bahamas, and Bolivia, where it is a rare surname. Not in comparison with a country's population, it is the most numerous in Cuba, the United States, and Peru. Very seldom, Portuondo is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Portuondo | Peru, Spain, Bolivia, United States, Cuba |
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bartolo portuondo Negro League Baseball player, CU (b. 1893) |
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emilio núñez portuondo Cuban politician (1898-1978), CU (b. 1898) |
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| fidel astoreca y portuondo Spanish politician, ES (b. 1877) |
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| fernando portuondo born:1903|died:1975|; Portuondo del Prado, Fernando, 1903-1975; Portuondo, Fernando, 1903-1975 (b. 1903) |
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| josé antonio portuondo Cuban literary critic (1911-1996), CU (b. 1911) |
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| deivys leandro portuondo researcher (ORCID 0000-0003-2678-0431) |
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| rodrigo de portuondo Spanish military personnel, ES |
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| maria m portuondo researcher, US |
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| raiko portuondo performing artist in Canada |
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| alfredo nieves portuondo Cuban diplomat, CU |
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| rafael portuondo college basketball player (2011–2013) Florida State |
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| yasser portuondo Cuban volleyball player, CU (b. 1983) |
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| pedro portuondo Cuban cyclist, CU (b. 1985) |
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| josé ángel portuondo ES |
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| ana laura portuondo isasi Canadian judoka, CA (b. 1996) |
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La, Luis, Jose, John, Jean, Juan, June, Tony, Tere, Teri, Tina, Niko, Nora, Elba, Edna, Erik, Enma, Emma, Hugo, Flor, Irma, Ivan, Lucy, Ibon, Lina, Dana, Ana, Liz, Jon, Joe, Mary, Mark, Mike, Sara, Saul, Alec, Andy, Anna, Anne, Abby, Paul, Pete, Raul, Rosa, Romy, Ruth, Dani, Goiz, and Otto