Adil Alviz oglu Ismayilov (Azerbaijani: Adil Əlviz oğlu İsmayılov; 5 July 1957 – 3 December 2020) was an Azerbaijani lawyer, jurist, investigator, and a public figure.

A member of the Azerbaijani Bar Association,[1] Ismayilov participated in the most well-known trials in Azerbaijan during the 1990s and 2000s.

After the August Coup, in September 1991, at his own request, he left the prosecutor's office and began working as a private lawyer, believing that the following events will result in Azerbaijan's independence and a democratic society will be built in the country.

He was active during the 1993 Azerbaijani coup d'état,[4] becoming a lawyer for Isa Gambar, the ex-acting President of Azerbaijan who was arrested the same year, and former minister of internal affairs, Isgandar Hamidov.

In 2005, he defended General Zakir Nasirov during the Operation Black Belt, in 2006, Ramil Safarov, an Azerbaijani serviceman arrested in Hungary for killing an Armenian lieutenant, and in 2015, General Subahir Gurbanov, during the MNS case.