Hacıoğlu is a Turkish surname. Notable people with the surname include:
Mehmet Hacıoğlu (born 1959), Turkish footballer and manager Murat Hacıoğlu (born 1979), Turkish footballer İsmail Hacıoğlu (born 1985), Turkish actor. He is also the son of former footballer Mehmet Hacıoğlu Ünzile Nur Hacıoğlu (born 1999), Turkish women's volleyball player