Surname Hermman (Hermman 
) , in all the world, is a very rare family name. The family name Hermman is characteristic of Latin America and the Caribbean, particularly Mexico, where it is a very rare surname, Argentina, where it is an extremely rare surname, and Venezuela. In absolute terms, this name is the most popular in Mexico, India, and Argentina. Likewise, Hermman is the forename as well as the last name.