Irza-bey Hajibeylinsky (born 4 April 1874) is an Azerbaijani military leader, colonel, who descended from “the nobility of the city of Erivan”.

After graduating it on 27 April 1898, he was promoted to cornet with an appointment to the 21st Dragoon of His Imperial Highness Grand Duke Mikhail Mikhailovich regiment.

[citation needed] Since 26 July 1918, the Lieutenant Colonel Irza-bey Hajibeylinsky served in the newly formed Muslim Separate Azerbaijani Corps of the ADR,[3] by the order of the Transcaucasian Commissariat.

[6][7] On 3 April 1920, the Colonel Hajibeylinsky was included in the interdepartmental commission for the reception of property of the interned units of the Volunteer Army, as the head of the military department.

Irza-bey Hajibeylinsky was married to the grand-daughter of the famous Azerbaijani writer and illuminator - Mirza Fatali Akhundov, the Princess Alia-Soltan-khanum Qajar.