Ishak Pasha Palace (Turkish: ishak Paşa Sarayı) is a semi-ruined palace and administrative complex located in the Doğubeyazıt district of Ağrı province of eastern Turkey.
The Ishak Pasha palace is an Ottoman-period palace whose construction was started in 1685 by Colak Abdi Pasha of the Cildirogullari,the bey of Beyazit province. Construction was continued by İshak Pasha, who was to give his name to the palace and became the Pasha of Çıldır from 1790 to 1791. According to the inscription on its door, the Harem Section of the palace was completed by Ishak (Isaac) Pasha in 1784.
The Ishak Pasha Palace is one of the few examples of surviving historical Turkish palaces.
The palace was depicted on the reverse of the Turkish 100 new lira banknote of 2005–2009.
Building of the palace commenced in 1685 and continued for decades. The work was finished in 1784 or 1785 CE. The palace was damaged by an earthquake in 1840 and for some time abandoned, but partly restored over the next 20 years. It was again damaged during the Russo-Turkish War (1877-1878). The structure was later used by Russians and during World War I when it was damaged by gunfire.0