Cognomen 亚尔 (亚尔 
, Yahr 
) , worldwide, is a rare last name. The last name 亚尔 is habitual in the United States, where it is a rare surname, Malaysia, where it is a very rare surname, and Colombia. Measured by absolute frequency, this name is the most popular in the United States, China, and Colombia. Likewise, 亚尔 is the forename as well as the last name.