Family name หว่าน (Sow 
, หว่าน, Sowvakhon 
) , in all the world, is a widespread cognomen. The family name หว่าน is habitual in Sub-Saharan Africa, particularly Senegal, where it is a widespread surname, Guinea, where it is a common surname, and Mauritania (explore the name in all countries). Not in comparison with a country's population, it is the most numerous in Sub-Saharan Africa, particularly Senegal, Guinea, and Mali. Very seldom, หว่าน is the forename as well as the last name.