Family name Кирио (桐生 
, Kirio 
, Кирио) , around the world, is a rare surname. The last name Кирио is characteristic of Japan, where it is a rare surname, Pakistan, and Greece, where it is a very rare surname. Measured by absolute frequency, it is commonest in Japan, China, and Pakistan. Also, Кирио is the forename as well as the last name.