Last name Hahu (Hahu 
) , in the entire world, is a rare cognomen. The surname Hahu is characteristic of Malaysia, where it is a rare surname, Ethiopia, where it is a very rare surname, and Nigeria, where it is an extremely rare surname. Not in comparison with a country's population, it most frequently occurs in Ethiopia, Malaysia, and India. Also, Hahu is the forename as well as the last name.