Last name Karaosmanoğlu (Karaosmanoglu 
, Karaosmanoğlu ) , in the world, is quite a rare cognomen. The last name Karaosmanoğlu is habitual in Turkey, where it is quite a rare surname, Netherlands, where it is a very rare surname, and Germany. In absolute terms, it is commonest in Turkey, Germany, and China.
| VARIANT | COUNTRY |
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| Karaosmanoglu | Netherlands, China, Germany, Turkey, United States |
| Karaosmanoğlu | Turkey |
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yakup kadri karaosmanoğlu Turkish writer (1889-1974), TR (b. 1889) |
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| hamdi hamit karaosmanoğlu Turkish politician and jurist, TR (b. 1886) |
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| karaosmanoğlu halit paşa (b. 1889) |
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| fevzi lütfi karaosmanoğlu Turkish politician, TR (b. 1900) |
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i̇brahim karaosmanoğlu Turkish politician, TR (b. 1952) |
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| ayşe leman karaosmanoğlu TR (b. 1900) |
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| ragıp karaosmanoğlu Turkish politician, TR (b. 1910) |
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| adnan karaosmanoğlu Turkish politician (1914-1975), TR (b. 1914) |
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| oral karaosmanoğlu Turkish politician, TR (b. 1927) |
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| osman yılmaz karaosmanoğlu Turkish politician, TR (b. 1931) |
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| atilla karaosmanoğlu Turkish economist, TR (b. 1932) |
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| mehmet karaosmanoğlu Turkish actor, TR (b. 1966) |
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| oğuzhan karaosmanoğlu researcher |
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| cem karaosmanoğlu researcher (ORCID 0000-0002-7503-4905) |
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| alp karaosmanoğlu researcher (ORCID 0000-0003-1471-2562) |
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