Family name エサ (Esa 
, エサ 
, Eça 
) , throughout the world, is a common cognomen. The cognomen エサ is characteristic of Malaysia, where it is quite a common surname, Brunei, and Bahrain, where it is quite a rare surname. Not in comparison with a country's population, this name is the most popular in India, Indonesia, and Malaysia. Also, エサ is the forename as well as the last name.