Family name Iacob (يعقوب 
, Jakob 
, Iacob 
) , across the world, is a widespread last name. The cognomen Iacob is habitual in Sudan, where it is a common surname, Romania, and Palestinian Territory, where it is quite a common surname (explore the name in all countries). Not in comparison with a country's population, the name is most common in Sudan, Romania, and Germany. Likewise, Iacob is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| يعقوب | Iran, Jordan, Egypt, Sudan, Iraq |
| Jakob | Germany, Denmark, United States, Sweden, Romania |
| Iacob | Austria, Germany, Switzerland, United States, Romania |
| יאקוב | Israel |
Jacb, Jacob, Jacó, Jaime, Jakab, Jakov, Jakow, Jakub, Jakób, Jokūbas, Jákob, Jēkabs, Ya'Acov, Ya'Aqov, Yaacov, Yaakov, Yaaqov, Yacob, Yakov, Ιάκωβος, Джейкоб, Иаков, Иацоб, Йацоб, Хайме, Яаков, Якаб, Якав, Якоб, Яков, Якуб, Якъуб, Яків, Яцоб, Яша, Іаков, ג'ייקוב, יענקלה, יעקב, עקב, קובי, جاكوب, ياكوب, یعقوب, იაკობი, იაკოვი, ジェイミー, 海梅, 雅各, and 雅各伯
| iacob wilhelm heckenauer (b. 1696) |
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| iacob friedrich schmidt DE (b. 1723) |
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iacob mureșianu politician, RO (b. 1812) |
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iacob psantir Romanian Jewish klezmer musician and historian, RO (b. 1820) |
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iacob felix Romanian physician-hygienist, RO (b. 1832) |
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iacob negruzzi Moldavian-born Romanian poet and prose writer (1842-1932), RO (b. 1842) |
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iacob n. lahovari Romanian general (1846-1907), RO (b. 1846) |
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iacob mureșianu Romanian composer, RO (b. 1857) |
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| iacob cristian stanislau cihac DE (b. 1800) |
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| iacob deleu (b. 1804) |
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iacob zadik Romanian general (1867-1970), RO (b. 1867) |
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| iacob löbel Romanian banker and philanthropist, RO (b. 1827) |
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| iacob bologa RO (b. 1817) |
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iacob lazăr Romanian politician, RO (b. 1884) |
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iacob domșa RO (b. 1878) |
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