Cognomen Kapay (Капай 
, Kapay 
) , in the entire world, is a rare surname. The family name Kapay is habitual in the Democratic Republic of the Congo, where it is a rare surname, Myanmar, where it is a very rare surname, and Ukraine. Not in comparison with a country's population, the name is most common in the Democratic Republic of the Congo, India, and Myanmar. Very seldom, Kapay is the forename as well as the last name.