Surname ארלה (Aerle 
, ארלה 
) , around the world, is a rare cognomen. The surname ארלה is habitual in Netherlands, where it is quite a rare surname, Italy, where it is an extremely rare surname, and Mexico. Measured by absolute frequency, it is the most numerous in Netherlands, China, and Italy. Very seldom, ארלה is the forename as well as the last name.