Hajiyev (masculine, Azerbaijani: Hacıyev) or Hajiyeva (feminine, Azerbaijani: Hacıyeva) is an Azerbaijani surname. Notable people with the surname include:
Aftandil Hajiyev (born 1981), Azerbaijani footballer
Alif Hajiyev (1953–1992), Azerbaijani military officer
Bakhtiyar Hajiyev (born c. 1982), Azerbaijani activist
Boyukagha Hajiyev (born 1958), Azerbaijani footballer and manager
Ilkin Hajiyev (born 1983), Azerbaijani futsal player
Ismayil Hajiyev (born 1949), Azerbaijani-Canadian composer and conductor
Jahangir Hajiyev, Azerbaijani banker
Jovdat Hajiyev (1917–2002), Azerbaijani composer
Nizami Hajiyev (born 1988), Azerbaijani footballer
Rauf Hajiyev (1922–1995), Azerbaijani composer and politician
Zulfi Hajiyev (1935–1991), Azerbaijani politician