Last name Muffen (Muffin 
, Muffen 
) , in the world, is a rare cognomen. The family name Muffen is characteristic of New Zealand, where it is a rare surname, Singapore, where it is a very rare surname, and Australia. Measured by absolute frequency, this name is the most popular in Indonesia, the United States, and Germany. Also, Muffen is the forename as well as the last name.