Family name Уку (Ucu 
, Uku 
, Уку 
) , in the entire world, is quite a rare surname. The last name Уку is habitual in Albania, where it is quite a common surname, Estonia, where it is a rare surname, and Cameroon. Not in comparison with a country's population, it most frequently occurs in Indonesia, Albania, and Nigeria. More prevalently, Уку is the forename as well as the last name.