Globally, Heiler (Heiler 
, Heilen 
, Хайлер) is a rare unisex first name. The forename Heiler is characteristic of Latin America and the Caribbean, particularly Colombia, where it is a rare gender-neutral name, Costa Rica, where it is a rare dominantly feminine, but infrequently boy's name, and the Dominican Republic, where it is a rare epicene name. Measured by absolute frequency, it is commonest in Latin America and the Caribbean, particularly Colombia, the Dominican Republic, and Mexico. More prevalently, Heiler is the last name as well as the forename.