Sinanüddin Fakih Yusuf Pasha was an Ottoman statesman. He was Grand Vizier of the Ottoman Empire from 1349 to 1364. He served as the last grand vizier of sultan Orhan and the first grand vizier of sultan Murad I. A 1360 inscription by sultan Orhan mentions Sinanüddin Fakih Yusuf and notes that he was the son of a man named Muslihuddin Musa and the grandson of a man named Mecdüddin İsa. It is also understood from this inscription that he was an Ahi who served as Ottoman bureaucrats.