Cognomen Ziani (Ziani 
, زياني 
, الزياني 
) , in all the world, is a common family name. The surname Ziani is habitual in Northern Africa, particularly Libya, where it is quite a common surname, Algeria, and Morocco. Very seldom, Ziani is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Ziani | Algeria, Morocco, Brazil, France, Italy |
| زياني | Algeria, Morocco, Tunisia, Libya, Iran |
| الزياني | Algeria, Morocco, Tunisia, Libya, Egypt |
| Зиани | Russia |
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sebastiano ziani politician (1102-1178), IT (b. 1102) |
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pietro ziani Doge of Venice, IT (b. 1153) |
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| pietro andrea ziani Italian organist and composer, IT (b. 1616) |
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| marc'antonio ziani Italian composer, IT (b. 1653) |
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benomar ziani Moroccan singer, MA (b. 1938) |
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hocine ziani Algerian painter, DZ (b. 1953) |
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| abdelkrim ziani MA (b. 1933) |
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silya ziani Moroccan singer, MA (b. 1994) |
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| lhacène ziani DZ (b. 1953) |
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| stéphane ziani French footballer, FR (b. 1971) |
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| xavier ziani French volleyball player, FR (b. 1972) |
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| kamal ziani Spanish long distance runner, MA (b. 1972) |
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| mounir ziani Algerian association football player, DZ (b. 1979) |
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| khadija ziani Moroccan politician, MA |
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| idriss ziani researcher |
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