Cognomen Eku (Echo 
, Eco , Eku 
) , in the entire world, is a common family name. The last name Eku is characteristic of Montenegro, where it is quite a common surname, Bosnia and Herzegovina, and Philippines, where it is quite a rare surname. Not in comparison with a country's population, this name is the most popular in Philippines, Indonesia, and Nigeria. Also, Eku is the forename as well as the last name.