Family name 亚西 (亚西 
, Yaxi 
) , around the globe, is quite a rare cognomen. The surname 亚西 is characteristic of Iraq, where it is quite a rare surname, Mexico, where it is a rare surname, and Venezuela. Not in comparison with a country's population, it is commonest in China, Iraq, and Mexico. More prevalently, 亚西 is the forename as well as the last name.