Osman Hamdi Bey (30 December 1842, in Istanbul  – 24 February 1910 was an Ottoman administrator, intellectual, art expert and also a prominent and pioneering painter. He was also an accomplished archaeologist, and is regarded as the pioneer of the museum curator's profession in Turkey. He was the founder of Istanbul Archaeology Museums and of the Istanbul Academy of Fine Arts (Sanayi-i Nefise Mektebi in Turkish), known today as the Mimar Sinan Fine Arts University. He was also the first mayor of Kadıköy.