Surname Ius (Ius 
) , globally, is quite a rare last name. The cognomen Ius is habitual in Lithuania, where it is quite a rare surname, Latvia, and Myanmar. Measured by absolute frequency, it is the most numerous in Indonesia, Myanmar, and Italy. Likewise, Ius is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ius | Italy, Spain, Indonesia, Myanmar, Romania |
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pirminius German saint, DE (b. 670) |
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| vincentius Czech medieval chronicler and roman catholic priest (b. 1130) |
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| luigi ius Italian military (1895-1916), IT (b. 1895) |
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| mario ius Italian military (1898-1988), IT (b. 1898) |
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| luigi ius (1923-) (b. 1923) |
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| chris ius Canadian boxer, CA (b. 1954) |
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| frédéric ius French politician, FR (b. 1976) |
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| tamara ius researcher |
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| fabio ius researcher (ORCID 0000-0002-8084-3360) |
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| gabrielius |
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