Surname Donsa (Donsa 
, Dontsa 
, ดลสา ) , in the world, is quite a rare cognomen. The cognomen Donsa is characteristic of Cameroon, where it is quite a rare surname, South Africa, where it is a rare surname, and Austria. Not in comparison with a country's population, it most frequently occurs in Cameroon, South Africa, and Thailand. Very seldom, Donsa is the forename as well as the last name.