Surname מאהלר (Mahler 
, מאהלר 
, Mahlerová 
) , throughout the world, is a common cognomen. The last name מאהלר is characteristic of Belize, where it is quite a common surname, Switzerland, and Germany. Measured by absolute frequency, the name is most common in Germany, the United States, and Switzerland. Much less frequently, מאהלר is the forename as well as the last name.