Cognomen Хелер (Heler 
, Хелер 
) , all around the world, is a rare family name. The family name Хелер is characteristic of Slovenia, where it is quite a rare surname, Czechia, where it is a rare surname, and Romania. In absolute terms, it most frequently occurs in Romania, Czechia, and Brazil. Likewise, Хелер is the forename as well as the last name.