Family name Рику (Riku 
, Ricou 
, Рику 
) , globally, is quite a rare last name. The cognomen Рику is characteristic of Jersey, where it is quite a common surname, France, where it is quite a rare surname, and Albania. In absolute terms, it most frequently occurs in France, Bangladesh, and Indonesia. More frequently, Рику is the forename as well as the last name.