Boyukagha Hajiyev (Azerbaijani: Böyükağa Hacıyev; (20 April 1958 – 16 March 2018) was an Azerbaijani professional football player and manager.

Hajiyev began playing football at Araz-Naxçıvan, which participated in Soviet Second League.^[1]

In 1999, he was appointed as a head coach of Araz-Naxçıvan but club was dissolved a year later due to the financial difficulties, and Hajiyev went to Iran and for couple of years worked at Machine Sazi, firstly as head coach assistant position, and after Vagif Sadygov resign as a head coach. He has also managed another Tabriz side Tractor Sazi for a one-season

In 2005, he worked in Azerbaijan national football team, assisting Vagif Sadygov.^[2]

In 2006, he returned to Azerbaijan and worked as president consultant at FC Baku, however at the end of the 2005-06 season FC Baku head coach Asgar Abdullayev was sacked, and Hajiyev accepted the team as a caretaker. He won all last 8 games consecutively, bringing the team the first championship title ever. For a next season the manager signed a one-year contract with FC Baku. But this time capitals finished the season in 3rd position, failing two European companies after first rounds. On this, Hajiyev era at FC Baku ended.

After two years of downtime, Hajiyev appointed as a new head coach of Standard Sumgayit replacing Valdas Ivanauskas.^[3] That became the managers worst experience and Sumgayit side relegated to Azerbaijan First Division, whereupon Hajiyev was sacked.

In February 2018 Hajiyev suffered a heart attack which left him hospitalised, before dying a month later.^[9][10]

• Shohrat Order: 2012^[11]