Cognomen Kaloy (Kaloy 
, Калой 
, Калои ) , all over the world, is a rare last name. The last name Kaloy is habitual in Norway, where it is a very rare surname, Thailand, and Ukraine. Not in comparison with a country's population, this name is the most popular in India, Russia, and Thailand. Likewise, Kaloy is the forename as well as the last name.