Family name 希洪 (Xihong 
, 希洪 , Gijón 
) , across the world, is a rare cognomen. The surname 希洪 is characteristic of Spain, where it is a rare surname, Ecuador, and Hong Kong. Not in comparison with a country's population, it is commonest in Spain, China, and Ecuador. More prevalently, 希洪 is the forename as well as the last name.