Cognomen Haykaz (Айказ 
, Хаыказ , Haykaz 
) , across the world, is quite a rare surname. The last name Haykaz is habitual in Armenia, where it is quite a common surname, and Russia, where it is an extremely rare surname. Also, Haykaz is the forename as well as the last name.
Wahi, Farkhoyan, Zaqaryan, Margaryan, Mkrtchyan, Sarkisyan, Shimshiryan, Stepanyan, Avetisyan, Kostanian, Petrosyan, Derderian, Grigoryan, Gharibyan, Ghazaryan, Nahapetyan, Yengibaryan, Zakharyan, Karapetyan, Nikogosyan, Martirosyan, Khachatryan, Vardgesyan, Hakobyan, Nazaryan, Torosyan, Mariam, Meliqyan, Balian, Opoyan, Dushikyan, Nazlukhanyan, Erdoglian, Manukyan, Melikyan, Minasyan, Harutyunyan, Muradyan, Sargsyan, Sahakyan, Simonyan, Agbalyan, Barseghyan, Bayamdzhyan, Kyurkchyan, Proshikyan, Poghosyan, Galstyan, Sargisov, and Hovhannisyan