Koca Mehmed Nizamüddin Pasha
Osmancıklı Koca Mehmed Nizamüddin Pasha was an Ottoman statesman who served as grand vizier of the Ottoman Empire from 1429 to 1438.
He settled in Osmancık after his service as grand vizier and died there in 1439. He was the son of Imamzade Halil Pasha, who also served as grand vizier.