Last name Икуё (Ikuyo 
, Икуё 
) , in the world, is a very rare surname. The surname Икуё is characteristic of Japan, where it is a very rare surname, Spain, where it is an extremely rare surname, and Argentina. Not in comparison with a country's population, it is the most numerous in Japan, China, and Spain. Much more prevalently, Икуё is the forename as well as the last name.