Igor Mikhailovich Luchenok (Belarusian: Iгар Міхайлавіч Лучанок, Ihar Mikhaylavich Luchanok, Russian: Игорь Михайлович Лученок; 6 August 1938 — 12 November 2018) was a Belarusian composer. He was born in Maryina Horka, Belarus. He was awarded the People's Artist of Belarus and People's Artist of the USSR. He was chairman of the Belarusian Union of Composers.
Luchenok worked in many genres ranging from vocal-symphonic, chamber-instrumental, and chamber-voca. From his works formed the repertoire of Pesniary, Syabry, Verasy, Joseph Kobzon, Sofia Rotaru, Valentina Tolkunova, Maria Pakhomenko, Lev Leshchenko, Victor Vuyachich, Eduard Khil and many others.