Hayko (Armenian: Հայկո) is an Armenian singer who won that country's national selection for the Eurovision Song Contest 2007 in Helsinki. He represented Armenia in the Eurovision Song Contest in the final with the song Anytime You Need. The song got 8th place thus qualifing Armenia for the final of next year's contest in Belgrade.
Hayko was trained in music at a music school after T.Chukadjyan, and then went on with a music college after Romanos Melikyan. He attended the Yerevan State Conservatory after Komitas.