Last name เสมา (Sema 
, เสมา 
, Samao 
) , in the entire world, is a common cognomen. The cognomen เสมา is characteristic of Albania, where it is quite a common surname, Ethiopia, where it is quite a rare surname, and Georgia. In absolute terms, the name is most common in India, Ethiopia, and Egypt. More frequently, เสมา is the forename as well as the last name.