Hayk Hrachyayi Marutyan (Armenian: Հայկ Հրաչյայի Մարության; born December 18, 1976) is an Armenian actor, comedian, screenwriter, producer and politician. He was the mayor of Yerevan from October 2018 to December 2021. Marutyan rose to prominence as half of the comedy duo "Hayko Mko" (with Mkrtich "Mko" Arzumanyan) in the 2000s. They co-produced Kargin Haghordum (2002–09) and Kargin Serial (2010-13). Due to these, he is widely known as "Kargin Hayko" (Կարգին Հայկո) to the Armenian public. He later starred in several comedy films, including Super Mother and Love Odd.