Cognomen Banj (Bagno 
, Banj 
) , across the world, is quite a rare last name. The last name Banj is habitual in Italy, where it is quite a rare surname, Uruguay, where it is a rare surname, and Israel. Not in comparison with a country's population, the name is most common in Italy, Brazil, and India. Very seldom, Banj is the forename as well as the last name.