Cognomen Канаи (Kanai 
, Kanay 
, 金井 
) , around the world, is quite a common last name. The cognomen Канаи is characteristic of Hungary, where it is quite a rare surname, Kenya, and Turkey, where it is a rare surname. Measured by absolute frequency, it most frequently occurs in India, Kenya, and Turkey. More frequently, Канаи is the forename as well as the last name.