Surname 卡里奥 (Calio 
, Cailliau 
, 卡里奥) , globally, is quite a rare family name. The surname 卡里奥 is habitual in Belgium, where it is quite a rare surname, Italy, and Luxembourg. Measured by absolute frequency, it is commonest in Italy, France, and Philippines. Much less frequently, 卡里奥 is the forename as well as the last name.