Prince Şehzade Dündar Aliosman Efendi (also named Dündar Osmanoğlu; born 30 December 1930 in Damascus, Syria) is the heir of Bayezid Osman and future 45th Head of the Imperial House of Osman, and as such future pretender to the caliphate of Sunni Islam. He is a descendant of the Sultan Abdul Hamid II.
The House of Osman ruled the Ottoman Empire from 1281 to 1922. The monarchy was abolished in 1923, with the modern Republic of Turkey replacing it.
He is married to Yüsra Hanım Efendi (b. 1927), without issue.
- "Son Osmanli vefat etti! (English: Last Ottoman died!)" (in Turkish). September 24, 2009. Retrieved 19 February 2010.