Last name Loi (Loi 
, لوي 
, ロイ 
, and others...) , in all the world, is a common family name. The surname Loi is characteristic of Macao, where it is a common surname, Malaysia, where it is quite a common surname, and Suriname (explore the name in all countries). Measured by absolute frequency, the name is most common in Italy, Malaysia, and Vietnam. Likewise, Loi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Loi | Taiwan, Vietnam, Macao, Italy, Malaysia |
| لوي | Iraq, Egypt, Sudan, Syria, Saudi Arabia |
| ロイ | Japan |
| Лой | Ukraine, Kazakhstan, Belarus, Russia, Kyrgyzstan |
| Лои | Russia, Kyrgyzstan |
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duilio loi Italian boxer, IT (b. 1929) |
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franco loi (1930--2021) poet and writer, IT (b. 1930) |
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giovanni battista loi Italian politician, IT (b. 1934) |
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| francesco loi gymnast, IT (b. 1891) |
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vittorio loi Italian wheelchair fencer (b. 1942) |
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maria antonietta loi researcher of photophysics and optoelectronics (b. 1973) |
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| michelle loi French sinologist (1926-2002), FR (b. 1926) |
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| francesco loi author (1930-) (b. 1930) |
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| reinier chin a loi (b. 1920) |
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| maurice loi (b. 1924) |
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| vincenzo loi (b. 1927) |
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| bruno loi Italian general, IT (b. 1941) |
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livio loi Belgian motorcycle racer, BE (b. 1997) |
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| emmanuel loi French writer, FR (b. 1950) |
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| salvatore loi (b. 1943) |
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