Worldwide, Celalettin (Celalettin 
, Целалеттин 
, Джелалеттин 
) is a rare male forename. The given name Celalettin is characteristic of Turkey, where it is a rare boy's name, Germany, and Austria. Not in comparison with a country's population, this name is the most popular in Turkey, Germany, and France. Much less frequently, Celalettin is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Celalettin | Italy, Austria, France, Turkey, Germany |
| Целалеттин | Russia |
| Коркмасов, Джелалеттин | Ukraine, Russia |
Celalettın, and Celâlettin
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celalettin muhtar ozden Turkish dermatologist, TR (b. 1865) |
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celalettin arif Turkish politician and diplomat, TR (b. 1875) |
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| celalettin germiyanoğlu Turkish bureaucrat, TR (b. 1889) |
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| celalettin ünseli TR (b. 1904) |
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| celalettin uzer Turkish politician, TR (b. 1914) |
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| celalettin mahmutyazıcıoğlu Turkish lawyer, TR (b. 1918) |
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| celalettin yöyler (b. 1941) |
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| celalettin kart Turkish diplomat, TR (b. 1951) |
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| celalettin kesim TR (b. 1943) |
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| celalettin güvenç Turkish politician, TR (b. 1959) |
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| celalettin cerrah TR (b. 1953) |
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| celalettin ustun researcher |
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| celalettin cevik researcher (ORCID 0000-0002-1123-6196) |
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| celalettin usalan researcher (ORCID 0000-0002-9967-1925) |
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| celalettin yurdakul researcher |
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