Cognomen Никаи (Nikai 
, Никаи) , in the entire world, is a very rare family name. The last name Никаи is characteristic of Greece, where it is a rare surname, Malaysia, where it is an extremely rare surname, and South Africa. In absolute terms, it is the most numerous in India, Greece, and the United States. More prevalently, Никаи is the forename as well as the last name.