Cognomen Grollo (Grollo 
) , around the globe, is a rare family name. The surname Grollo is characteristic of Italy, where it is a rare surname, Australia, and Philippines, where it is a very rare surname. Very seldom, Grollo is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Grollo | Australia, Philippines, Spain, Italy, United States |
| j. grollo Spanish author, ES (b. 1875) |
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| luigi grollo (1909–1994) Italian-born Australian builder (b. 1909) |
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| bruno grollo Australian businessman, AU (b. 1942) |
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| alberto grollo Italian composer, IT (b. 1956) |
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| aspasia grollo researcher (podiatry) |
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| sebastiano galanti grollo IT |
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Mr, Diana, Drema, Luisa, Janet, James, Nadia, Norma, Elisa, Sandra, Sabina, Silvia, Amanda, Carlos, Dennis, Daniel, Gianni, Giulia, Lorenz, Joseph, Jordyn, Jerome, Pinar, Peter, Paola, Kevin, Pio, Jan, Jon, Alan, Carl, Dora, Gina, Lara, Luca, Jake, Tomaso, John, Jill, Tony, Maria, Marco, Salve, Sayra, Anita, Colin, Karen, Kalee, Juan, and Nicole