Cognomen Норио (Norio 
, Noroi 
, Норио 
) , across the world, is quite a rare last name. The last name Норио is habitual in Japan, where it is quite a rare surname, El Salvador, and Finland, where it is a rare surname. Not in comparison with a country's population, it is the most numerous in Japan, China, and Philippines. Very seldom, Норио is the forename as well as the last name.