Last name Guaraldi (Guaraldi 
) , globally, is a rare surname. The last name Guaraldi is characteristic of Luxembourg, where it is quite a rare surname, Italy, and Brazil, where it is a very rare surname. In absolute terms, it is commonest in Italy, Brazil, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Guaraldi | Brazil, Italy, Luxembourg, United States, Argentina |
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vincent anthony guaraldi American jazz pianist (1928–1976), US (b. 1928) |
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| mario guaraldi Italian publisher (1941-), IT (b. 1941) |
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| federica guaraldi researcher (ORCID 0000-0001-8416-1669) |
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| giovanni guaraldi researcher |
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| simone guaraldi researcher |
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| pietro guaraldi researcher |
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