Celalettin is a Turkish masculine given name.
List of people with the name
Celalettin Arif (1875–1928), Turkish politician Celalettin Güvenç (born 1959), Turkish politician Celalettin Muhtar Ozden (1865–1947), Turkish dermatologist Mustafa Celalettin Pasha (1826–1876), Ottoman-Polish strategist, writer, and military official
See also
Cemalettinköy, Ahlat