Surname Галлион (Galio 
, Галлион 
) , across the world, is a rare family name. The surname Галлион is habitual in Libya, where it is a rare surname, the Democratic Republic of the Congo, and France. Measured by absolute frequency, it most frequently occurs in Brazil, the Democratic Republic of the Congo, and France. Much less frequently, Галлион is the forename as well as the last name.