Family name Ostini (Ostini 
) , worldwide, is a rare last name. The last name Ostini is habitual in Switzerland, where it is a rare surname, Italy, and Australia. Not in comparison with a country's population, the name is most common in Italy, the United States, and Australia. Very seldom, Ostini is the forename as well as the last name.
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| Ostini | Italy, Switzerland, United States, Tanzania, Australia |
| pietro ostini 1691-1756; geb. in Savoyen; tätig in Rom, Florenz; Ital. Architekt (b. 1691) |
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pietro ostini Catholic cardinal, IT (b. 1775) |
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fritz von ostini German journalist, DE (b. 1861) |
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| carl von ostini (b. 1830) |
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| giuseppe ostini Italian politician, IT (b. 1857) |
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| wilhelm von ostini (b. 1866) |
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| friedrich von ostini (b. 1887) |
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| hans von ostini (b. 1895) |
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alberto ostini Italian comics artist and screenwriter, IT (b. 1968) |
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| tarcisio ostini Swiss footballer (b. 1958) |
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| michael ostini Australian rugby league footballer, AU (b. 1975) |
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| lesa ostini researcher |
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| remo ostini researcher |
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| jenny ostini researcher (ORCID 0000-0002-0786-6347) |
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