Cognomen Кунии (Kunii 
, Кунии) , in the entire world, is a rare family name. The family name Кунии is habitual in Singapore, where it is a rare surname, Japan, and Brazil, where it is a very rare surname. Measured by absolute frequency, this name is the most popular in Brazil, Japan, and China. More prevalently, Кунии is the forename as well as the last name.