Alen Margaryan (Armenian: Ալեն Մարգարյան; 11 February 1999 – 30 September 2020) was an Armenian serviceman in the Artsakh Defense Army, participant of the Second Nagorno-Karabakh war. In 2021 he was posthumously awarded the Hero of Artsakh military award, which is the highest honorary title of the self-proclaimed Republic of Artsakh.