Hayk, Haik or Ayk (Armenian: Հայկ) is an Armenian masculine given name that may refer to the following notable people:
Hayk, legendary founder of Armenia Hayk Asatryan (1900–1956), Armenian political theorist Hayk Babayan (born 1979), Commander of the Armenian RA Police Troops Hayk Chobanyan (born 1973), Armenian businessman and former politician Hayk Demoyan (born 1975), Armenian historian Hayk Ghazaryan (1930—2014), Armenian historian Hayk Grigoryan (born 1976), Armenian jurist Hayk Gyokchyan (born 1989), Lebanese professional basketball player Hayk Gyulikevkhyan (1886–1951), Armenian literary critic and philosopher Hayk Hakobyan (born 1980), Armenian football player Hayk Harutyunyan (born 1974), Armenian football midfielder Haik Hovsepian Mehr (1945–1994), Iranian Armenian Protestant minister and bishop Hayk Ishkhanyan (born 1989), Armenian football player Ayk Kazaryan (born 1993), Russian football player of Armenian origin Hayk Khloyan (born 2001), Armenian Greco-Roman wrestler Hayk Kotanjian (born 1945), Armenian military diplomat Haik M. Martirosyan (born 2000), Armenian chess player Hayk Marutyan (born 1976), Armenian actor, comedian, filmmaker and politician Hayk Melikyan (born 1980), Armenian pianist and composer Hayk Milkon (born 1993), Football manager of Armenian heritage Hayk Mirzayans (1920–1999), Iranian Armenian entomologist Haik Nikogosian (born 1955), Armenian physician, politician and a public health expert Hayk Ordyan (born 1978), Armenian film director and producer Hayk Ovsepyan (1891–1937), Soviet military leader and politician of Armenian origin Hayk Yeghiazaryan (born 1972), Armenian weightlifter