Family name エース (Ace 
, エース 
) , in all the world, is a common cognomen. The last name エース is habitual in North Macedonia, where it is quite a common surname, Brunei, and Macao, where it is quite a rare surname. Measured by absolute frequency, this name is the most popular in India, Indonesia, and China. Also, エース is the forename as well as the last name.