Family name Ваго (Wago 
, Vago 
, Ваго 
) , all over the world, is a common cognomen. The cognomen Ваго is habitual in Hungary, where it is quite a common surname, Slovakia, where it is quite a rare surname, and Italy. Not in comparison with a country's population, it most frequently occurs in Hungary, Italy, and Brazil. Very seldom, Ваго is the forename as well as the last name.