Family name Касэ (Kase 
, Касэ 
) , worldwide, is a common cognomen. The family name Касэ is characteristic of Estonia, where it is quite a common surname, Ethiopia, where it is quite a rare surname, and Gambia. Not in comparison with a country's population, it is commonest in Ethiopia, Indonesia, and India. Also, Касэ is the forename as well as the last name.