Family name Errans (Errante 
, Errant 
, Errans 
) , across the world, is quite a rare surname. The cognomen Errans is characteristic of 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, the name is most common in Italy, the United States, and Argentina. Much less frequently, Errans is the forename as well as the last name.