Last name Berku (Berku 
) , across the world, is a very rare surname. The cognomen Berku is habitual in Canada, where it is a very rare surname, Israel, and Nigeria, where it is an extremely rare surname. Measured by absolute frequency, it most frequently occurs in India, Canada, and Nigeria. More frequently, Berku is the forename as well as the last name.
Akci, Günal, and Küçükosmanoğlu