In the world, Hassler (Hassler 
, Хасслер 
, Хаслер ) is a rare boy's first name. The given name Hassler is habitual in Latin America and the Caribbean, particularly Guatemala, where it is a rare male name, Colombia, where it is a very rare male name, and Peru. Measured by absolute frequency, the name is most common in Guatemala, Colombia, and China. Much more prevalently, Hassler is the last name as well as the forename.