Khoshbakht Baghir oglu Yusifzadeh (Azerbaijani: Xoşbəxt Bağır oğlu Yusifzadə; 14 January 1930 – 3 October 2023) was an Azerbaijani academician and the First Vice-President of the State Oil Company of Azerbaijan Republic (SOCAR).

According to his father Baghi Yusifzade, Khoshbakht was the "first child in Pirshagi to have been born when the music played on".

In 1970, he was appointed Assistant Manager as well as Senior Geologist at the offshore oil and gas production department.

[5] Yusifzadeh was known for having discovered numerous oil and gas fields such as Bahar, Gunashli, Azeri, Chirag, Kapaz, etc.

[12] In January 2010, by the decree of the President of Azerbaijan, 80th anniversary of Yusifzade was held at a state level.