Last name ษอ (So 
, ษอ 
) , across the world, is a widespread cognomen. The last name ษอ is habitual in Hong Kong, where it is a widespread surname, British Virgin Islands, where it is a common surname, and Cayman Islands (explore the name in all countries). In absolute terms, this name is the most popular in Hong Kong, Egypt, and China. Likewise, ษอ is the forename as well as the last name.