Hayrapetyan () or in Western Armenian Հայրապետեան pronounced Hairabedian is an Armenian surname. It is also transliterated as Hayrapetian, Hairapetyan, Hayrapetyan, Hairapetian, Airapetjan, Ayrapetyan, Airapetyan or Airapetian and may refer to:
Anna Hairapetian (born 1989), Armenian chess player Aram Ayrapetyan (born 1986), Russian-Armenian football player Arsen Ayrapetyan (born 1997), Russian football player Arshak Hayrapetyan (born 1978), Armenian sport wrestler David Ayrapetyan (born 1983), Russian-Armenian amateur boxer Denis Ayrapetyan (born 1997), Russian short track speed skater Eduard Hayrapetyan (born 1949), Armenian composer Hayrapet Hayrapetyan (1874–1962), Armenian poet, children's writer, translator, Honored Teacher of the USSR and member of the Union of Soviet Writers Hovik Hayrapetyan (born 1990), Armenian chess grandmaster Levon Hayrapetyan (born 1989), Armenian footballer Luara Hayrapetyan (born 1997), Armenian singer Margarit Hayrapetyan (1923–2004), Armenian woman architect Melanie Gabriella Hayrapetian (born 1991), Swedish singer Mkhitar Hayrapetyan (born 1990), Armenian politician Nune Hairapetian (born 1951), Armenian musician, pianist and music teacher Ruben Hayrapetyan (born 1963), Armenian football official, former member of the Armenian Parliament and businessman Sarkis Hayrapetyan (born 1992), Armenian figure skater Slavik Hayrapetyan (born 1996), Armenian figure skater Sos Hayrapetyan (born 1959), Armenian Soviet field hockey player Stefan Airapetjan (born 1997), Estonian singer Tatevik Hayrapetyan (born 1989), Armenian historian and politician Vahagn Hayrapetyan (born 1968), Armenian jazz pianist, singer and composer