Family name Алер (Aler 
, Алер 
, Alers 
) , all around the world, is quite a common cognomen. The last name Алер is habitual in Puerto Rico, where it is quite a common surname, Bolivia, where it is quite a rare surname, and Philippines. Measured by absolute frequency, this name is the most popular in Philippines, the United States, and Puerto Rico. Much less frequently, Алер is the forename as well as the last name.