Surname Айбу (Aibu 
, Айбу 
) , all over the world, is quite a rare cognomen. The family name Айбу is characteristic of Japan, where it is quite a rare surname, Kyrgyzstan, where it is a rare surname, and Tanzania. Not in comparison with a country's population, it is the most numerous in Japan, Tanzania, and Nigeria. Much less frequently, Айбу is the forename as well as the last name.