Cognomen Siuming (Siuming 
) , in all the world, is a very rare family name. The last name Siuming is habitual in Hong Kong, where it is a rare surname, Chile, where it is an extremely rare surname, and China. In absolute terms, it is commonest in Hong Kong, China, and the United States. More prevalently, Siuming is the forename as well as the last name.