Cognomen Suum (Soun 
, Suum 
, สุม ) , around the globe, is quite a common last name. The surname Suum is habitual in Myanmar, where it is quite a rare surname, Tunisia, and Cambodia, where it is a rare surname. Not in comparison with a country's population, it is the most numerous in Myanmar, Japan, and India. Likewise, Suum is the forename as well as the last name.