Sinan Bey of Boljanići (Serbo-Croatian: Sinan-beg Boljanić, died in 1582) was the sanjak-bey of Herzegovina^[1] (1552–57, 1563, 1564–67, 1569, 1574–80),^{[citation needed]} and of Bosnia (1562–64). He was born in Boljanići, a village between Pljevlja and Čajniče,^[1] at the time part of the Herzegovina Sanjak. His father was Bajram Agha,^[1] and he had several siblings, including a younger brother Hüseyin Pasha Boljanić. He married the sister of Grand Vizier Sokollu Mehmed Pasha. He had construction works finished in Čajniče, Njegošević, Sopot, Cernik, Priboj, Međuriječje. He died in 1582 and was buried in his turbe at Čajniče.