Hayri Kozakçıoğlu, Turkish police officer and politician, 15th Governor of Istanbul Province (born 1938)

Hayri Kozakçıoğlu was a Turkish high-ranking civil servant and politician. He served as district governor, police chief, province governor in various administrative divisions. He was known as the first regional governor in the state of emergency ("OHAL") imposed in the provinces of Southeastern Anatolia and governor of Istanbul Province. He was found dead on the morning of May 23, 2013, in his house at Sarıyer, Istanbul.

The governor of Istanbul is the civil service state official responsible for both national government and state affairs in the Province of Istanbul. Similar to the governors of the 80 other provinces of Turkey, the governor of Istanbul is appointed by the Government of Turkey and is responsible for the implementation of government legislation within Istanbul. The governor is also the most senior commander of both the Istanbul provincial police force and the Istanbul Gendarmerie.