Cognomen Тусо (Thuso 
, Тусо) , around the world, is a rare last name. The cognomen Тусо is characteristic of Botswana, where it is quite a common surname, South Africa, where it is a rare surname, and Malaysia, where it is a very rare surname. Measured by absolute frequency, the name is most common in Botswana, South Africa, and China. More prevalently, Тусо is the forename as well as the last name.