Oleg Stepanovich Musiy (Ukrainian: Олег Степанович Мусій) is Ukrainian medic, social activist, organizer of the medical service at Euromaidan, Minister of Healthcare of Ukraine in Yatsenyuk Government from 27 February 2014 till 1 October 2014. On 1 October he was dismissed from his post "for failure to ensure tender procurements of required medicines".