Family name Kalatai (Kalatai 
, Калатай 
) , all around the world, is a rare surname. The last name Kalatai is habitual in Ukraine, where it is a rare surname, Belarus, where it is a very rare surname, and Kyrgyzstan. In absolute terms, it most frequently occurs in Ukraine, Brazil, and Russia. Also, Kalatai is the forename as well as the last name.