Surname Каньи (Cagni 
, Каньи 
) , in all the world, is quite a rare family name. The cognomen Каньи is habitual in Italy, where it is quite a rare surname, Argentina, where it is a rare surname, and France. Not in comparison with a country's population, it most frequently occurs in Italy, Argentina, and Brazil. Very seldom, Каньи is the forename as well as the last name.