Family name Ilyushenok (Ilyushenok 
, Ильюшенок 
) , all over the world, is a rare last name. The family name Ilyushenok is habitual in Belarus, where it is quite a rare surname, Russia, where it is a very rare surname, and Kyrgyzstan. Not in comparison with a country's population, it is commonest in Belarus, Russia, and Kazakhstan.