Family name Дюфо (Dufau 
, Dufaux 
, Дюфо 
) , across the world, is quite a common last name. The last name Дюфо is habitual in Aland Islands, where it is quite a common surname, Reunion, and France, where it is quite a rare surname. Not in comparison with a country's population, the name is most common in France, Argentina, and Switzerland. Very seldom, Дюфо is the forename as well as the last name.