Cognomen Lioi (Lioi 
) , in the entire world, is quite a rare surname. The family name Lioi is habitual in Italy, where it is quite a rare surname, Argentina, and Switzerland, where it is a rare surname. Measured by absolute frequency, the name is most common in Italy, Argentina, and Brazil.
| VARIANT | COUNTRY |
|---|---|
| Lioi | Argentina, Italy, Brazil, Chile, United States |
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sara elizabeth lioi United States federal judge, US (b. 1960) |
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fabiano lioi Italian artist, IT (b. 1977) |
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| anthony lioi American television director, US (b. 1972) |
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| maria brigida lioi Italian geneticist, IT |
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| mario angelo corbo lioi Ph.D. The University of Chicago 1974 |
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| lucia lioi researcher |
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| david b. lioi researcher (ORCID 0000-0002-1860-8896) |
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| joshua lioi Ph.D. University of Notre Dame 2013 |
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| andrés lioi Argentinian association football player, AR (b. 1997) |
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