All around the world, הסלר (Hasler 
, הסלר 
, Hässler 
) is a rare dominantly masculine, but seldom girly given name. The first name הסלר is habitual in Switzerland, where it is a rare epicene name, the Democratic Republic of the Congo, where it is a rare boy's name, and China, where it is an extremely rare feminine name. Much more prevalently, הסלר is the last name as well as the forename.