Surname Шаню (Chanut 
, Шаню 
) , throughout the world, is quite a rare family name. The last name Шаню is habitual in France, where it is quite a rare surname, Portugal, where it is a rare surname, and Denmark. Not in comparison with a country's population, it is the most numerous in France, Portugal, and Belgium. Much less frequently, Шаню is the forename as well as the last name.