Cognomen Khayka (Хайка , Khayka ) , around the world, is an extremely rare family name. Much more frequently, Khayka is the forename as well as the last name.
Хаика, and Хаыка
Shvarts, Mahaphom, and Martynovsky
, Khayka 
) , around the world, is an extremely rare family name. Much more frequently, Khayka is the forename as well as the last name.