Hayrullah Fişek, born to an ethnic Albanian family in Kalkandelen (now Tetovo, North Macedonia), was a senior officer in the Ottoman Army.

His parents were Hafiz Süleyman Efendi (1849 Kalkandelen – 1894 Balıkesir), a Land Registry Officer and Fatma Hanko (1847 Kalkandelen –1930 Istanbul), Sheikh Mustafa Ruhi Efendi's daughter.

In 1906, he entered the Staff College and he graduated as a Distinguished Captain (Mümtaz Yüzbaşı).

[3] During the Turkish Independence War, he participated in the Battle of Sakarya as the chief of staff of the Provisional Corps (Mürettep Kolordu)[4] and he served as the chief of staff of XIV Corps, Kocaeli Group, III Corps with the rank of staff lieutenant colonel.

(1914–1990), Undersecretary, Ministry of Health and Hicri Fişek (1918–2002), Professor of International Law.