Surname Reyfer (Reyfer 
) , in all the world, is a very rare family name. The family name Reyfer is habitual in Switzerland, where it is a very rare surname, Venezuela, and Chile, where it is an extremely rare surname. Measured by absolute frequency, it is the most numerous in Switzerland, Venezuela, and the United States. More frequently, Reyfer is the forename as well as the last name.